Question

Please help me! Angles A and B are complementary. If mA is 48", what is the measure of ZB?

OA. 48°
OB. 42°
OC. 132°
OD. 312°

Answer 1

B) 42°

Explanation:

"complementary" means the angles add up to 90°

48° + 42° = 90°

Angle B must be 42°.

Answer 2

42 degrees

Explanation:

Complementary angles add up to 90 degrees

90-48=42