gesc693 gesc693

20-09-2016
Mathematics

contestada

Which of the following is not necessary for a pair of angles to be vertical angles?

A. They are nonadjacent
B. They are congruent
C. They have the same vertex
D. They are complementary

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Аноним Аноним

20-09-2016

the answer is d they are complementary thanks

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