Question

If one angle of a set of supplementary angles measures 77°, then the other angle measures _____.

A.77
B.103
C.283
D.13

Answer 1

I would have to say B

Answer 2

B

Explanation:

Supplementary angles sum to 180°

If one angle is 77°, then the other angle is

180° - 77° = 103° → B