Question

The measure of an angle is 4y°. Find the measure of its supplement.

A) (180 + 4y)°
B) (180 - 4y)°
C) (90 + 4y)°
D) (90 - 4y)°

Answer 1

sum of supplement = 180
so 180 - 4y is another supplement angle

answer is B) (180 - 4y)°