Triangles
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A triangle is a three-sided polygon that is always a closed figure. There are different types of triangles such as isosceles, scalene, equilateral, obtuse, right, and acute triangles. A triangle has three sides, all straight sides, and meets the qualification of being a polygon.
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CONTENTS
DEFINITION CIRCLE TRIANGLE SQUARE RECTANGLE SECTOR
DEFINITION OF AREA
• The extent or measurement of a surface or piece • Its units are meter square(m^2) in SI(system international) Units, feet square(ft^2) in F.P.S(foot pound second) or British system and centimeter square(cm^2) in C.G.S(centimeter gram second) or French System. • Simplest formula to measure area is Area=Width*Length
CIRCLE
A ROUND PLANE FIGURE WHOSE BOUNDARY (THE CIRCUMFERENCE) CONSISTS OF POINTS EQUIDISTANT FROM A FIXED POINT (THE CENTRE).
MEASUREMENT OF THE AREA OF CIRCLE
RADIUS (R)
A straight line from the centre to the circumference of a circle or sphere. How to Measure Area Practically WE just simply need to find the radius by using scale and then use this formula
TRIANGLE
A PLANE FIGURE WITH THREE STRAIGHT SIDES AND THREE ANGLES.
MEASUREMENT OF THE AREA OF TRIANGLE
HOW TO FIND AREA OF TRIANGLE PRACTICALLY
• We just simply need to use scale and then measure the height and base of the triangle
SQUARE
A PLANE FIGURE WITH FOUR EQUAL STRAIGHT SIDES AND FOUR RIGHT ANGLES.
MEASUREMENT OF THE AREA OF SQUARE
HOW TO FIND AREA OF SQUARE PRACTICALLY
• We just simply need to use scale and measure the length of one of four sides
RECTANGLE
A PLANE FIGURE WITH FOUR STRAIGHT SIDES AND FOUR RIGHT ANGLES, ESPECIALLY ONE WITH UNEQUAL ADJACENT SIDES, IN CONTRAST TO A SQUARE.
MEASUREMENT OF THE AREA OF RECTANGLE
HOW TO FIND AREA OF RECTANGLE PRACTICALLY
• We just simply need to use scale and measure the length and width of the rectangle
SECTOR
THE PLANE FIGURE ENCLOSED BY TWO RADII OF A CIRCLE OR ELLIPSE AND THE ARC BETWEEN THEM.
MEASUREMENT OF THE AREA OF SECTOR
HOW TO FIND AREA OF SECTOR PRACTICALLY
• We just simply need to use scale and measure the length and width of the rectangle
GEOMETRY SCALES USED FOR THE ABOVE SHAPES
GEOMETRY SCALES USED FOR THE ABOVE SHAPES
SIGNIFICANCE OF MEASUREMENT OF AREA Everything which exists has a specific mass and area which we need to measure for various reasons, some of these are described here: • We use measurement of area in different aspects of life specially when are dealing with standards of different objects , area , is one the first things, which comes in our mind. i.e. standard for property is area(how large property is) and
SIGNIFICANCE OF MEASUREMENT OF AREA
similarly when we need to buy cloth we use area as an standard and pay price according to the area of that piece of cloth. • Engineering and its related fields are impossible to exist without the measurement of area. i.e. we need machines and reactors of different areas while working in a chemical plant for specific uses.
SIGNIFICANCE OF MEASUREMENT OF AREA
• Measurement of area plays an important role in architecture and designing. Whenever we need to build an object again area is
Lesson proper area of triangle
The document discusses how to calculate the area of a triangle by relating it to the area of a rectangle. The area of a triangle is equal to one-half the area of its related rectangle, which is formed by extending one of the triangle's sides to form the rectangle's base and using the triangle's height as the rectangle's height. This method can be applied to any triangle by identifying its base, height, and the corresponding related rectangle.
Triangles
Triangles are three-sided polygons that come in three types based on their side lengths: equilateral triangles have all three sides the same length, isosceles triangles have two sides the same length, and scalene triangles have all three sides of different lengths. The area of any triangle can be calculated using Hero's Formula, which uses the triangle's side lengths and semi-perimeter. While Pascal's Triangle is named after Blaise Pascal, he did not invent the triangle - other mathematicians studied and used triangular patterns before him.
Area of triangle
The area of a triangle is calculated by taking half the product of its base and height. To find the area, measure the base and height of the triangle and plug those values into the formula: Area = 1/2 x base x height. This formula gives the area by treating the triangle as half of a rectangle with the same base and height.
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Triangles
- 1. Triangles Start the quiz Start the lesson
- 2. A triangle is a three sided figure. A triangle is a polygon. A triangle is always a closed figure.
- 3. There are lots of different kinds of triangles. Here are some examples: Isosceles Scalene, equilateral, obtuse, right, and acute.
- 5. How many sides does a triangle have? A.Five A.Eight A.Two A.Three
- 8. What are the points where two lines meet called? A.Point B.Vertices C.I don’t know D.Slice of pie
- 11. A triangle has. . . 3 sides Straight sides The qualification of a polygon All of the above
- 12. Go back Wrong
- 13. Next Right