Copy of circles-_ppt_english
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The document defines key terms related to circles, including: - The centre is the midpoint and radius is a line from the centre to the edge. - The diameter passes through the centre and has both endpoints on the edge, being twice the length of the radius. - Other parts include chords, segments, arcs, and sectors.
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CLASS V MATHS ELEMENTS OF A CIRCLE
This document defines and describes basic circle terminology including:
- The centre is the fixed point in the middle of a circle.
- A radius is a line segment from the centre to a point on the circle.
- A diameter passes through the centre and joins two points on the circle.
- A chord joins two points on the circle but does not pass through the centre.
- The circumference is the distance around the entire circle.
Circle
1. The document defines key terms related to circles such as centre, circumference, radius, diameter, chord, arc, and semicircle.
2. It explains that a circle is a set of points equidistant from a fixed central point, and defines the centre as this fixed point.
3. Key relationships between parts of a circle are discussed, including that the diameter of a circle is twice the length of the radius.
Circle basic concepts
The document defines and describes the key parts of a circle, including the radius, diameter, chord, arc, segment, semicircle, secant, and tangent. It provides definitions for each part and examples. The teaching points cover the circle itself as well as its parts. Students will learn to recall, explain, draw, and analyze circles and their components. An evaluation with fill-in-the-blank questions is also included to assess understanding.
Circles
A circle is defined as a plane figure where every point is equidistant from a fixed central point called the center. The distance from the center to the circumference is the radius. A diameter is a line segment that passes through the center and has endpoints on the circumference, and thus has twice the length of the radius.
Parts of a circle
This document defines and describes the key terms and concepts related to parts of a circle, including the center, radius, chord, diameter, arc, semicircle, circumference, secant line, tangent line, central angle, and inscribed angle. It explains that a circle is the set of all points at a fixed distance from a given center point, and defines other geometric shapes and measurements within or relating to the circular shape, such as radii, diameters, arcs of different lengths, and lines that intersect the circle.
circles
This document provides information about circles and various circle concepts. It defines a circle and discusses key terms like radius, diameter, chord, tangent, secant, and segment. It also provides formulas for calculating the circumference, area, sectors, and arcs of a circle based on the radius. The document serves as an educational reference on topics related to circles.
Circle
A circle is defined as the set of all points in a plane that are equidistant from a center point. The radius is the distance from the center to any point on the edge, while the diameter connects two points on the edge through the center and is twice as long as the radius. The circumference is the distance around the edge of the circle. Other terms include chord (a line connecting two edge points not through the center), arc (a curved section of the edge), segment (region between a chord and arc), sector (wedge-shaped area between radii and an arc). The area of a circle is calculated as π times the radius squared.
The circle
This document defines circles and their key parts. It aims to teach students to define a circle, cooperate in class discussions, and solve problems applying circle definitions. A circle is defined as all points equidistant from a fixed center point. The document discusses radii, diameters, chords, central angles, and arcs. Students are asked to identify these parts in illustrations and solve problems measuring and drawing circles and their elements.
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CLASS V MATHS ELEMENTS OF A CIRCLE
This document defines and describes basic circle terminology including:
- The centre is the fixed point in the middle of a circle.
- A radius is a line segment from the centre to a point on the circle.
- A diameter passes through the centre and joins two points on the circle.
- A chord joins two points on the circle but does not pass through the centre.
- The circumference is the distance around the entire circle.
Circle
1. The document defines key terms related to circles such as centre, circumference, radius, diameter, chord, arc, and semicircle.
2. It explains that a circle is a set of points equidistant from a fixed central point, and defines the centre as this fixed point.
3. Key relationships between parts of a circle are discussed, including that the diameter of a circle is twice the length of the radius.
Circle basic concepts
The document defines and describes the key parts of a circle, including the radius, diameter, chord, arc, segment, semicircle, secant, and tangent. It provides definitions for each part and examples. The teaching points cover the circle itself as well as its parts. Students will learn to recall, explain, draw, and analyze circles and their components. An evaluation with fill-in-the-blank questions is also included to assess understanding.
Circles
A circle is defined as a plane figure where every point is equidistant from a fixed central point called the center. The distance from the center to the circumference is the radius. A diameter is a line segment that passes through the center and has endpoints on the circumference, and thus has twice the length of the radius.
Parts of a circle
This document defines and describes the key terms and concepts related to parts of a circle, including the center, radius, chord, diameter, arc, semicircle, circumference, secant line, tangent line, central angle, and inscribed angle. It explains that a circle is the set of all points at a fixed distance from a given center point, and defines other geometric shapes and measurements within or relating to the circular shape, such as radii, diameters, arcs of different lengths, and lines that intersect the circle.
circles
This document provides information about circles and various circle concepts. It defines a circle and discusses key terms like radius, diameter, chord, tangent, secant, and segment. It also provides formulas for calculating the circumference, area, sectors, and arcs of a circle based on the radius. The document serves as an educational reference on topics related to circles.
Circle
A circle is defined as the set of all points in a plane that are equidistant from a center point. The radius is the distance from the center to any point on the edge, while the diameter connects two points on the edge through the center and is twice as long as the radius. The circumference is the distance around the edge of the circle. Other terms include chord (a line connecting two edge points not through the center), arc (a curved section of the edge), segment (region between a chord and arc), sector (wedge-shaped area between radii and an arc). The area of a circle is calculated as π times the radius squared.
The circle
This document defines circles and their key parts. It aims to teach students to define a circle, cooperate in class discussions, and solve problems applying circle definitions. A circle is defined as all points equidistant from a fixed center point. The document discusses radii, diameters, chords, central angles, and arcs. Students are asked to identify these parts in illustrations and solve problems measuring and drawing circles and their elements.
Circle
The document defines and explains key terms related to circles:
1. A circle is a closed curve in which all points are equidistant from the center. It has properties like radius, diameter, circumference, chords, arcs, and segments.
2. Key terms are defined, like radius as the line from the center to the edge, diameter as a chord passing through the center, and circumference as the distance around the circle.
3. Examples are given of circles in daily life, music, and sports to illustrate the concept. Diagrams accompany the definitions of terms like chord, arc, semicircle, and segments.
The circumference
A circumference is a closed curved line where all points are equidistant from the fixed center point, outlining a circle. The elements of a circumference include the diameter, which passes through the center; the radius, which connects the center to any point; secants which intersect at two points; tangents which intersect at a single point; arcs, which are fragments between two points; and chords, which connect any two points.
Circles | Parts and Relations
All About Circles that a Beginner has got to know!
Includes all the parts of a circle and basic relations between arcs, segments, sectors, diameters and radii.
Basic Concepts of Circles
A circle is a simple shape in Euclidean geometry. It is the set of all points in a plane that are at a given distance from a given point, the center; equivalently it is the curve traced out by a point that moves so that its distance from a given point is constant.
Basic Terms of circles
A circle is defined as a set of points in a plane that are all the same distance from a central point. This fixed distance is called the radius. Common examples of circles include wheels, clocks, and the rims of buckets. Key terms related to circles include:
- Center: The fixed point that all points on the circle are equidistant from.
- Radius: The fixed distance from the center to any point on the circle.
- Diameter: A chord that passes through the center; it is the longest chord.
- Circumference: The distance around the outside of the circle.
- Arc: Any part of the circle's circumference. Major and minor arcs refer to relative sizes.
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The document defines key terms related to circles:
- A circle is the set of all points in a plane that are an equal distance from the center.
- The radius is the distance from the center to any point on the circle.
- The diameter is the distance across the circle through the center.
- The circumference is the distance around the entire circle.
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THIS POWERPOINT PRESENTATION ON THE TOPIC CIRCLES PROVIDES A BASIC AND INFORMATIVE LOOK OF THE TOPIC
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Circle - Basic Introduction to circle for class 10th maths.
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This document defines circle geometry terminology like chord, arc, inscribed angle, and central angle. It then presents 5 circle theorems: 1) the perpendicular bisector of a chord passes through the circle's center, 2) congruent chords are equidistant from the center, 3) the measure of a central angle is equal to twice the measure of the angle at the circumference, 4) angles subtended by the same arc are equal, and 5) an angle subtended by a diameter is a right angle. It also states that opposite angles in a cyclic quadrilateral add to 180 degrees.
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This document defines and describes various parts of a circle including the radius, diameter, chord, arc, secant, and tangent. It explains that a circle is a closed curve where all points are equidistant from the center. A radius is a line from the center to the edge, a diameter connects two points on the edge passing through the center, and a chord connects any two edge points. An arc is part of the edge between two points, and a semicircle is half of a full circle. Secants and tangents are lines that intersect the circle at one or more points.
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The document defines a circle as a closed curve where all points are equidistant from the center. It lists and describes the main parts of a circle, including the radius, diameter, chord, tangent line, secant line, central angle, and inscribed angle. The radius is the line from the center to the circumference, the diameter passes through the center and is twice the length of the radius, and a chord connects two points on the circle.
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This document defines and describes the key parts of a circle. A circle is defined as all points in a plane that are equidistant from a fixed center point. The main parts of a circle are the radius, diameter, circumference, chord, tangent, sector, arc, segment, and secant. The radius connects the center to any point on the circle, the diameter passes through the center and connects two points on the circumference, and the circumference is the linear distance around the entire circle. Other parts include sectors which are regions bounded by radii and an arc, segments which are portions of a circle bounded by a chord and arc, and tangents which intersect the circle at only one point.
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The document defines key terms related to circles such as radius, diameter, and circumference. It explains that a radius is the distance from the center of a circle to its edge, while the diameter is the distance across the circle through the center. It notes that the circumference is the distance around the circle and provides formulas for calculating circumference using either the diameter or radius.
Circle ppt
The document defines key terms related to circles such as diameter, radius, chord, arc, and semicircle. It explains that a circle is a closed curve where all points are equidistant from the center. A diameter connects two points on the circle and passes through the center, and is the longest chord. An arc is a portion of the circumference between two points on the circle. A semicircle is half of a circle formed by a diameter.
Circle presentation
This document provides information about circles and spheres. It defines circles as 2D shapes with all points equidistant from the center. It describes circle components like radius, diameter, circumference, arcs, and sectors. Formulas are given for circumference as 2πr or πd, arc length as rθ, sector area as 1/2r2θ, and segment area as sector area minus triangle area. The document also defines spheres as 3D shapes that are circular surfaces. Formulas given for sphere surface area as 4πr2 and volume as (4/3)πr3. Examples are provided for using the circumference, arc length, sector area, and surface area/volume formulas.
Circles
A circle is a closed curve where all points are equidistant from a fixed central point called the vertex. Key parts of a circle include the radius, which connects the center to any point on the circle, the diameter which passes through the center, and the chord which connects any two points on the circle. Other terms are the secant which intersects the circle at two points, the tangent which touches the circle at one point, and arcs which are portions of the circle.
circles- maths-class 10th-ppt
The document defines various geometric terms related to circles such as secants, tangents, concentric circles, common tangents, and points of tangency. It also presents three theorems: if a line is tangent to a circle, it is perpendicular to the radius drawn to the point of tangency; if a line is perpendicular to a radius, it is tangent to the circle; and if two segments from the same exterior point are tangent to a circle, they are congruent.
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The document defines key terms related to circles, including circumference, which is the distance around the circle; center (or centre), which is the midpoint of a circle; radius, which is the line drawn from the center to the circumference or from one point on the circumference through the center to another point; diameter, which cuts the circle in half and is a special type of chord; chord, which connects two points on the circumference; and arc, which is a part of the circumference.
Maths Art Integrated Activity 2022-23.pptx
1. The document discusses various terms related to circles such as radius, diameter, chord, arc, segment, and sector. It defines each term and provides examples.
2. Formulas for calculating the circumference and area of a circle are presented. Circumference is defined as 2πr and area is defined as πr^2.
3. Methods for calculating the area of a sector and segment of a circle are described. The area of a sector is calculated based on the central angle and area of the whole circle. The area of a segment is not explicitly defined.
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The document is a maths project on circles that defines key terms like radius, diameter, chord, arc, and sector. It also outlines 12 theorems related to circles, such as equal chords subtend equal angles at the centre and the perpendicular from the centre of a circle bisects any chord. The document concludes with a joke about a hen playing billiards without a stick.
circles-.pptx
The document defines and describes the key parts of a circle, including the radius, diameter, chord, arc, central angle, inscribed angle, semicircle, and sector. It provides examples and diagrams to illustrate each part. The document also covers theorems about central angles, arcs and chords in circles, as well as the area of sectors and segments of a circle.
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Circle
The document defines and explains key terms related to circles:
1. A circle is a closed curve in which all points are equidistant from the center. It has properties like radius, diameter, circumference, chords, arcs, and segments.
2. Key terms are defined, like radius as the line from the center to the edge, diameter as a chord passing through the center, and circumference as the distance around the circle.
3. Examples are given of circles in daily life, music, and sports to illustrate the concept. Diagrams accompany the definitions of terms like chord, arc, semicircle, and segments.
The circumference
A circumference is a closed curved line where all points are equidistant from the fixed center point, outlining a circle. The elements of a circumference include the diameter, which passes through the center; the radius, which connects the center to any point; secants which intersect at two points; tangents which intersect at a single point; arcs, which are fragments between two points; and chords, which connect any two points.
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Includes all the parts of a circle and basic relations between arcs, segments, sectors, diameters and radii.
Basic Concepts of Circles
A circle is a simple shape in Euclidean geometry. It is the set of all points in a plane that are at a given distance from a given point, the center; equivalently it is the curve traced out by a point that moves so that its distance from a given point is constant.
Basic Terms of circles
A circle is defined as a set of points in a plane that are all the same distance from a central point. This fixed distance is called the radius. Common examples of circles include wheels, clocks, and the rims of buckets. Key terms related to circles include:
- Center: The fixed point that all points on the circle are equidistant from.
- Radius: The fixed distance from the center to any point on the circle.
- Diameter: A chord that passes through the center; it is the longest chord.
- Circumference: The distance around the outside of the circle.
- Arc: Any part of the circle's circumference. Major and minor arcs refer to relative sizes.
10.4 area and circumference of a circle
The document defines key terms related to circles:
- A circle is the set of all points in a plane that are an equal distance from the center.
- The radius is the distance from the center to any point on the circle.
- The diameter is the distance across the circle through the center.
- The circumference is the distance around the entire circle.
Circles - An Introduction
THIS POWERPOINT PRESENTATION ON THE TOPIC CIRCLES PROVIDES A BASIC AND INFORMATIVE LOOK OF THE TOPIC
_________________________________________________
LIKE ...COMMENT AND SHARE THIS PRESENTATION
FOLLOW FOR MORE
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This document defines and describes various parts of a circle including the radius, diameter, chord, arc, secant, and tangent. It explains that a circle is a closed curve where all points are equidistant from the center. A radius is a line from the center to the edge, a diameter connects two points on the edge passing through the center, and a chord connects any two edge points. An arc is part of the edge between two points, and a semicircle is half of a full circle. Secants and tangents are lines that intersect the circle at one or more points.
Parts of a circle
The document defines a circle as a closed curve where all points are equidistant from the center. It lists and describes the main parts of a circle, including the radius, diameter, chord, tangent line, secant line, central angle, and inscribed angle. The radius is the line from the center to the circumference, the diameter passes through the center and is twice the length of the radius, and a chord connects two points on the circle.
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This document defines and describes the key parts of a circle. A circle is defined as all points in a plane that are equidistant from a fixed center point. The main parts of a circle are the radius, diameter, circumference, chord, tangent, sector, arc, segment, and secant. The radius connects the center to any point on the circle, the diameter passes through the center and connects two points on the circumference, and the circumference is the linear distance around the entire circle. Other parts include sectors which are regions bounded by radii and an arc, segments which are portions of a circle bounded by a chord and arc, and tangents which intersect the circle at only one point.
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The document defines key terms related to circles such as radius, diameter, and circumference. It explains that a radius is the distance from the center of a circle to its edge, while the diameter is the distance across the circle through the center. It notes that the circumference is the distance around the circle and provides formulas for calculating circumference using either the diameter or radius.
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The document defines key terms related to circles such as diameter, radius, chord, arc, and semicircle. It explains that a circle is a closed curve where all points are equidistant from the center. A diameter connects two points on the circle and passes through the center, and is the longest chord. An arc is a portion of the circumference between two points on the circle. A semicircle is half of a circle formed by a diameter.
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This document provides information about circles and spheres. It defines circles as 2D shapes with all points equidistant from the center. It describes circle components like radius, diameter, circumference, arcs, and sectors. Formulas are given for circumference as 2πr or πd, arc length as rθ, sector area as 1/2r2θ, and segment area as sector area minus triangle area. The document also defines spheres as 3D shapes that are circular surfaces. Formulas given for sphere surface area as 4πr2 and volume as (4/3)πr3. Examples are provided for using the circumference, arc length, sector area, and surface area/volume formulas.
Circles
A circle is a closed curve where all points are equidistant from a fixed central point called the vertex. Key parts of a circle include the radius, which connects the center to any point on the circle, the diameter which passes through the center, and the chord which connects any two points on the circle. Other terms are the secant which intersects the circle at two points, the tangent which touches the circle at one point, and arcs which are portions of the circle.
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The document defines various geometric terms related to circles such as secants, tangents, concentric circles, common tangents, and points of tangency. It also presents three theorems: if a line is tangent to a circle, it is perpendicular to the radius drawn to the point of tangency; if a line is perpendicular to a radius, it is tangent to the circle; and if two segments from the same exterior point are tangent to a circle, they are congruent.
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The document defines key terms related to circles, including circumference, which is the distance around the circle; center (or centre), which is the midpoint of a circle; radius, which is the line drawn from the center to the circumference or from one point on the circumference through the center to another point; diameter, which cuts the circle in half and is a special type of chord; chord, which connects two points on the circumference; and arc, which is a part of the circumference.
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Circle - Basic Introduction to circle for class 10th maths.
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1. The document discusses various terms related to circles such as radius, diameter, chord, arc, segment, and sector. It defines each term and provides examples.
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circles-.pptx
The document defines and describes the key parts of a circle, including the radius, diameter, chord, arc, central angle, inscribed angle, semicircle, and sector. It provides examples and diagrams to illustrate each part. The document also covers theorems about central angles, arcs and chords in circles, as well as the area of sectors and segments of a circle.
Cirlce
A circle is a simple shape consisting of all points in a plane that are a given distance from a central point called the center. The distance from the center to any point on the circle is the radius, which is half the diameter or the distance across the circle. A chord is a line segment connecting two points on the circumference of a circle. The circumference of a circle can be calculated using the formula C=2πr or C=πd, where r is the radius and d is the diameter. The area of a circle is calculated using the formula A=πr^2, where r is the radius.
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Mathematics 7 Quarter 3 Week 7 - Circles
This document defines and explains key terms related to circles, including: center, radius, diameter, chord, arc, semicircle, minor arc, major arc, central angle, inscribed angle, secant, and tangent. It provides illustrations and definitions for each term. The objectives are to define, identify and name these circle terms. Examples are given to have the reader name parts of circles and identify diameters, radii, chords, and other elements.
Circle
1) The document defines and describes various terms related to circles such as radius, diameter, chord, arc, segment, and circumference.
2) A circle is a closed curve where all points are equidistant from the center. The radius is the line from the center to the edge, and the diameter passes through the center and joins two points on the edge.
3) Other terms defined are chord (a line through two points on the circle), arc (part of the circumference), segment (part of the region divided by a chord), and semicircle (half of a full circle).
Basic Terms(Circles)
A circle is defined as a set of points in a plane that are all the same distance from a central point. This fixed distance is called the radius. Common examples of circles include the rims of buckets, drums, and clocks. Key terms related to circles include:
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Presentation on the topic of mathematics - Circle
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The document defines key terms related to circles such as diameter, radius, arcs, and circumference. It explains that the measure of an arc is related to the central angle it intercepts. Students will learn to find the measures of central angles and arc lengths, and how to calculate the circumference of a circle using radius and diameter. Examples are provided for calculating distances traveled along circular paths of different radii.
Circle and sphere
A circle is defined as the set of all points in a plane that are equidistant from a fixed point called the center. A sphere is a three-dimensional shape where all points on its surface are equidistant from its center point. Both circles and spheres have perfect symmetry around their centers, with all points a distance r from the center forming the shape. While a circle is a two-dimensional figure defined by its radius, a sphere is a three-dimensional object with volume in addition to a surface area, defined as 4πr^2 and (4/3)πr^3 respectively.
Circles
The document discusses circles, defining them as sets of points equidistant from a center point. It describes key circle terms like diameter, radius, chord, and circumference. Formulas are provided relating circumference to diameter using pi, diameter to radius, and area to radius. Examples demonstrate calculating circumference from diameter, diameter from circumference, and area from radius using the formulas. The document aims to define and explain key geometric concepts relating to circles through definitions, explanations, and example calculations.
TEXT BOOK
The document discusses circles, defining them as sets of points equidistant from a center point. It describes key circle terms like diameter, radius, chord, and circumference. Formulas are provided relating circumference to diameter using pi, diameter to radius, and area to radius. Examples demonstrate calculating circumference from diameter, diameter from circumference, and area from radius using the formulas. The document aims to define and explain key geometric concepts relating to circles through definitions, explanations, and example calculations.
Circles
This document defines and explains key terms and concepts related to circles in geometry. It discusses what a circle is, the history of circles, and important circle terminology like diameter, radius, chord, arc, sector, and segment. It also covers theorems about relationships between chords, tangents, secants, and angles in circles. Key ideas are that a circle is a set of points equidistant from the center, and that circles have been an important mathematical concept throughout history.
Circles
Circles are geometric figures whose points all lie the same fixed distance from a central point called the center. A circle is defined as the collection of all points in a plane that are equidistant from a fixed point. The line segment from the center to any point on the circle is called the radius, and the longest possible chord that passes through the center is the diameter, which has a length twice that of the radius. Circles have key properties like circumference, arcs, segments, and sectors that are defined in the document. Formulas are also provided relating circumference, diameter, radius, area of circles and circular segments.
circles.ppt
- A circle is a closed curve in which all points are equidistant from a fixed point called the center.
- Key elements of a circle include the radius, diameter, chord, arc, and semicircle.
- A radius connects the center to any point on the circle, a diameter connects two points on the circle and passes through the center, and a chord connects any two points on the circle.
Math's assignment ON circles
The document provides information about circles including definitions, properties, theorems and history. It defines a circle as a simple closed curve where all points are equidistant from the center. Key properties discussed are that a circle's circumference and radius are proportional, and its area is proportional to the square of the radius. Theorems covered relate to chords, tangents, secants and inscribed angles. The document also discusses squaring the circle problem and circles in history from ancient Greeks to modern mathematics.
Introduction on Circle
1. A circle is defined as all points in a plane that are a fixed distance from a fixed center point. This fixed distance is called the radius.
2. Lines can intersect a circle in three ways: not at all, at one point (a tangent), or at two points (a secant). The longest secant that passes through the center is the diameter.
3. An arc is the portion of the circle cut off by a central angle. The measure of an arc is equal to the measure of its central angle.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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- 1. 1 Identifies the centre, radius and diameter of the circle GEOMETRY
- 2. INTRODUCTION: 2 WHAT IS A CIRCLE? USAGE OR APPLICATION OF THE CIRCLE: The word ‘circle’ is derived from a Greek word that means ‘hoop’ or ‘ring. A circle is a shape that is made up of a curved line. It's round, and all points on the curved line are an equal distance from the center point. This shape is two-dimensional, which means it's flat. 1. FERRIS WHEEL 2. TYRES 3. COIN 4. WHEEL
- 3. PRIMARY PARTS OF A CIRCLE: 3 PRIMARY PARTS CENTRE: The center is the midpoint of a circle. In the first diagram the centre is shown with a black dot RADIUS: This is a line segment from the center of a circle connecting any point on the circle itself. It is indicated with the pink line in the primary diagram. DIAMETER: The diameter of a circle is a line segment passing through the center of a circle and having both the circle’s endpoints. Mathematically, the diameter is two times the radius of a circle. The diameter of the circle is denoted by the light blue line on the first diagram
- 4. SECONDARY PARTS OF A CIRCLE: 4 ● CHORD: A chord is a line segment with both the endpoints on the circle. The purple line is the chord.The diameter of a circle is the longest chord. ● SEGMENT: A segment is a region bounded by an arc and a chord.It is also indicated by the purple curve. ● ARC: An arc is a curve along the outer line of the circle, here it is shown in light green. ● SECTOR: A sector is a region by an arc and two rays. Region enclosed with the blue line is the sector of the circle.
- 5. AREA AND CIRCUMFERENCE: 5 Circumference: The circumference of a circle is the total distance all-round the outer line of a circle Area of a circle: The region bounded by the outer line of a circle
- 6. Quick Question: 6 Which of the following things is circular in shape? Pizza Football Orange All of these.
- 7. Quick Question: 7 Which of the following parts of a circle can also be a chord of a circle? Radius Diameter Arc Sector
- 8. ANSWER: 8