two angles are _____ if and only if the sum of their measures is 90°. a. adjacent angles b. vertical angles c. complementary angles d. right angles

asked Jan 21, 2017 193k views

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Answer: the answer is c

Explanation:

90 degree angles are complamentary

Kenneth Argo answered Jan 23, 2017

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2 votes

b because they should be on the same line to form a right angle

Troggy answered Jan 26, 2017

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