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Vocab of angles and applications

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
What is an acute angle?   angle less than 90 degrees  
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What is an obtuse angle?   angle greater than 90 degrees  
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What is a straight angle?   180 degrees or a line  
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What is a reflex angle?   angle greater than 180 degrees and less than 360 degrees  
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What is the sum of the three interior angles in a triangle?   180 degrees  
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What tool do you use to measure angles?   protractor  
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How many degrees define a circle?   360 degrees  
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What is a right angle?   angle that measures exactly 90 degrees  
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What are complementary angles?   Two angles with a sum of 90 degrees  
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What are supplementary angles?   Two angles with a sum of 180 degrees  
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What are adjacent angles?   Two angles that share a common vertex and a common side but no common interior points  
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What are vetical angles?   Two nonadjacent, congruent angles formed by intersecting lines or segments  
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Name the complement of an angle that measures 48 degrees.   42 degrees  
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Name the supplement of an angle that measures 127 degrees.   53 degrees  
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What is the sum of the interior angles of a quadrilateral?   360 degrees  
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