Complementary angles add up to 90 degrees. Therefore, the answer is c. 18 + 72 = 90
Answer:
Yes anything under a C
Step-by-step explanation:
Answer:

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Red
Answer:
1209
Step-by-step explanation:
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Answer:
B is the answer
Step-by-step explanation:
Vertical angles are pair angles formed when two lines intersect. Vertical angles are sometimes referred to as vertically opposite angles because the angles are opposite to each other