And/or?
Complementary angles add to 90 degrees. Supplementary angles add to 180 degrees.
a. 15°
Complement: 90 - 15 = 75° Supplement: 180 - 15 = 165°
b. 37°
These are boring.
Complement: 90 - 37 = 53° Supplement: 180 - 37 = 143°
c. 71°
Complement: 90 - 71 = 19 ° Supplement: 180 - 71 = 109°
d. 63°
Complement: 90 - 63 = 27° Supplement: 180 - 63 = 117°
e. x°
Complement: (90 - x)° Supplement: (180 - x)°