The measure of


M
is
57
°
. What is the measure of its complementary angle?

A.
33
°
B.
90
°
C.
123
°
D.
180
°

1 answer

The complementary angle of ∠M is the angle that, when added to ∠M, equals 90°. Therefore, the measure of the complementary angle is 90° - 57° = 33°.

The answer is A. 33°.