Question

Is this supplementary, Complementary, a vertical angle, or none of the the above?

Answer 1

Supplementary Angle

Explanation:

If you add the angles "a" and "b" together you get an angle of 180º.

A supplementary angle is an angle that adds up to 180º.

A complementary angle is an angle that adds up to 90º.

A vertical angle has two lines that intersect (like an "X".