Question

multiple - choice question
what do we call angles that add up to 180 degrees?
vertical.
supplementary.
complementary.
adjacent.
rewatch
submit

Explanation:

By definition, supplementary angles are two - angles whose sum is 180 degrees. Vertical angles are equal in measure. Complementary angles add up to 90 degrees. Adjacent angles are angles that share a common side and a common vertex.

Answer:

B. Supplementary