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Math Geometry Guide
 

Math Geometry Guide

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6th grader

6th grader

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    Math Geometry Guide Math Geometry Guide Presentation Transcript

    • Geometry For Dummies Lines Angles Triangle Quadrilateral Circles Other Polygons
    • Lines
        • Points
        • Lines segments
        • Rays
        • Lines
        • Intersecting Lines
        • Perpendicular Lines
        • Paraell lines
    • Ray
        • A point where the ray starts at one location and never end.
    • Points
        • A Point is a precise location with a letter
      Point A Point B Fontwork
    • Planes
        • A surface containing all the straight lines that connect any two points on it
      B
    • Line Segment
        • A straight line that can be measured
      B C
    • Line Segment
        • A straight line that can be measured
      B C
    • Line
        • A line that never ends
    • Properties of Lines
        • Intersecting
        • Perpendicular
        • Skew
        • Parallel
    • Intersecting Lines
        • Cross at a point
    • Perpendicular Line
        • Intersect at right angle 90 degrees
    • Skew
        • Lines that aren't at the same place.
    • Parallel
        • Line that never cross and are at the same place.
    • Angles Right Angles Obtuse Angles Acute Angles
    • Right Angles An angle that is 90 degrees.
    • Obtuse Angles An angle that is more that 90 degrees. 180
    • Acute Angles An angle that is less than 90 degrees. 80 degrees
    • Triangles Equilateral Triangle Isosceles Triangle Scalene Triangle Acute Triangle Obtuse Triangle Right Triangle
    • Equilateral Triangle A triangle having all three sides equal. The angles of an equilateral triangle all measure 60 degrees.
    • Isosceles Triangle A triangle having two sides of equal length.
    • Scalene Triangle A triangle having three sides of different lengths.
    • Acute Triangle A triangle having three acute angles.
    • Obtuse Triangle A triangle having an obtuse angle. One of the angles of the triangle measures more than 90 degrees.
    • Right Triangle A triangle having a right angle. One of the angles of the triangle measures 90 degrees.
    • Quadrilaterals Square Rhombus Trapezoid Parallelogram Rectangle
    • Parallelogram
        • A polygon with four side and four angles
    • Trapezoid
        • A quadrilateral plane figure having two parallel and two nonparallel sides
    • Rectangle A rectangle is a square but stretched out two sides are equal and the other are equal but a different size.
    • Rhombus
        • A rhombus is a square but tilted
    • Square
        • All sides congruent and both sides are parallel
    • Circles Chords Diameter Arc Radius Sector Circumference Area of a Circle
    • Chords Segment connecting two outside points on a circle. E J EJ
    • Diameter Longest chord on a circle; passes through the center of the circle. T E TE
    • Arc The portion of the circle E J
    • Radius Half of the length of the diameter; runs from the center of the circle to its edge. J E
    • Sector A slice of a circle's area, defined by two points on the outside boundaries. The vertex of the slice is the center of the circle. E F
    • Circumference The distance around the outside of a circle; its perimeter. 3.14
    • Area of a Circle The amount inside the circle. Pie r 2
    • Other Polygons Pentagon Hexagon Heptagon Octagon Nonagon Octagon
    • Pentagon A five-sided polygon. The sum of the angles of a pentagon is 540 degrees.
    • Hexagon A six-sided polygon. The sum of the angles of a hexagon is 720 degrees.
    • Heptagon A seven-sided polygon. The sum of the angles of a heptagon is 900 degrees.
    • Octagon An eight-sided polygon. The sum of the angles of an octagon is 1080 degrees.
    • Nonagon A nine-sided polygon. The total of the angles of a nonagon is 1260 degrees.
    • Decagon A ten-sided polygon. The sum of the angles of a decagon is 1440 degrees.
    • The Credits Directed by: Emma Jia Designed by: Emma Jia Pictures from: http://www.flickr.com http://www.mathleague.com From: Room 15, Mr. Lindsay's class