there are two complementary angles, angle 5 and angle 6 . if m-angle 5 = 39° , what equation can you write to solve for m-angle 6?

A m-angle 6 + 39° = 180°
B m-angle 6 = 39°
C m-angle 6 + 39° = 90°
D m-angle 6 = 180° - 39°