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Geometry

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