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Geometry Test Review

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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Question
Answer
two angles whose sum= 180°   supplementary angles  
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two angles whose sum= 90°   complementary angles  
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2 angles formed by intersection, opposite and - to each other   vertical  
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2 angles that share a vertex and a side   adjacent  
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one angle that is less than 90°   acute  
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one angle that is more than 90°   obtuse  
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one angle that is 90°   right  
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lines intersecting to form 90°   perpendicular lines  
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4 sides, for angles = 360°   quadrilaterals  
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opposite sides parallel and equal   parallelogram  
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all 4 sides equal and opposite sides parallel   rhombus  
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on set of parallel sides (bases) others not   trapezoid  
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opposite sides parallel and equal, 90° angles   rectangle  
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all 4 sides equal, opposite sides parallel, 90° angles   square  
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5 sided   pentagon  
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6 sided   hexagon  
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7 sided   heptagon  
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8 sided   octagon  
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9 sided   nonagon  
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10 sided   decagon  
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more than 10 sides   n sides ---> n-gon  
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Created by: amanda2992
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