Question

What would be the magnitude of the complementary and the supplementary angles of an angle of magnitude 77 degree?​

Answer 1

To determine the supplement, subtract the given angle from 180. 180 - 43 = 137° The supplement of 43° is 137°. To determine the complement, subtract the given angle from 90. 90 - 43 = 47° The complement of 43° is 47°.