Question

(a) An angle measures

42°
. What is the measure of its supplement?

(b) An angle measures
45°
. What is the measure of its complement?

Answer 1

there are 4 angles the one u are talking about is acute angle what measures 45

Answer 2

A supplementary angle is a angle that adds up to 180 degrees. So for A, it would be 138 degrees. For b, a complementary angle is two angles that add up to 90 degrees. So it would be 45 degrees.