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Basic angle terms

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
Obtuse Angle   Angle between 90 and 180  
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Straight Angle   Angle that is 180  
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Acute Angle   Angle that is between 0 and 90  
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Right Angle   Angle that is 90  
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Vertical Angles   Opposite angles formed when two lines intersect  
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Linear Pair   Two adjacent angles that add up 180  
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Supplementary Angles   Two angles that add up to 180  
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Complementary Angles   Two angles that add up to 90  
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Adjacent Angles   Angles that share a common side and have no interior points in common  
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Bisect   To cut into two equal parts  
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Perpendicular Lines   Two lines that intersect to form 90 angles  
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Parallel Lines   Lines that never cross  
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Created by: sbennett
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