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geo. 2.6

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
Tpes of angles   acute-angle that measures less than 90 degrees and more than 0obtuse-angle that measures more than 90 degrees and less than 180right-angle that measures 90 degreesstraight- angle that measures 180 degrees  
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angle   formed by 2 rays(sides) with a common endpoint(vertex)  
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complementary angles   2 angles that sum to 90 degrees  
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supplementary angles   2 angles that sum to 180 degrees  
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opposite rays   if r is between a and b then ra and rb are opposite rays  
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angle addition postulate   if point b is in the interior of aoc then the measure of measure of aob+ measure of boc= measure of aoc  
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adjacent angles   2 angles in the same plane that share a common side and a common vertex  
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