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All math vocab for Chapter 5 test!!

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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Word
Definition
plane   Infinite flat surface  
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parallel   lines in a plane that never meet  
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transversals   a line intersecting two or more lines  
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alternate interior angles   a pair of angles formed by two lines and a transversal  
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corresponding angles   angles formed by two lines and a transversal  
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vertical angles   angles on opposite sides of the intersection or two lines  
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mid point   where two lines intersect  
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congruent segments   equal lengths  
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segment bisector   passes through the midpoint  
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perpendicular   lines, rays, and line segments form right angles.  
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perpendicular bisector   a line, ray, or segment that interescts a segment at its midpoint and is perpendicular to it.  
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ray   a line with an endpoint  
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angle   two rays with a common endpoint  
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vertex   the common endpoint  
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acute angle   an angle that measures less than 90º  
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right angle   an angle that measures exactly 90º  
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obtuse angle   an angle that measure greater than 90º and less than 180º  
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straight angle   an angle that measures exactly 180º (makes a straight line)  
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