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Point A location in space - a dot on a piece of paper
Arc Part of a curve
Line Connects two points via the shortest path and continues indefinitely (forever) in both directions
Line Segment Part of a line between two points
Perpendicular Line Segment Line Segments that intersect (cross) at an angle of 90°
Acute Angle An angle that measures less than 90°
Parallel Line Segments
Chord A line segment joining two points on a curve.
circumference Distance around a circle (the perimeter)
Diameter A line segment (or length) joining two points on a circles circumference and passes through the circle's center (twice the length of the radius)
Radius Distance (line segment) from center of a circle to any point on that circle's circumference.
Equilateral Triangle A triangle with all three sides of equal length (each internal angles = 60°)
Isosceles Triangle A triangle with two equal length sides (and two equal internal angles)
Obtuse Angle An angle that measures more than 90°
Right Angle An angle that measures 90°
Vertex Point at which two line segments
Scalene Triangle A triangle with all three sides with different lengths
intersect (forming an angle)
Created by: leifmilliron