Angle W and angle Y are supplementary. If measure of angle W=5x + 20 and measure of angle Y = 4*-11 find measure of angle W and measure of angle Y.

Question

Mathematics

Alexus

12 October, 21:49

Angle W and angle Y are supplementary. If measure of angle W=5x + 20 and measure of angle Y = 4*-11 find measure of angle W and measure of angle Y.

+4

Answers (1)

Know the Answer?

Annie Sanders · Answer 1

Two Angles are Supplementary when they add up to 180 degrees.

5x+20 + 4x-11 = 180

9x + 9 = 180 |:9

x + 1 = 20

x = 20 - 1

x = 19

m ∠W = 5x + 20 = 5*19 + 20 = 115°

m ∠Y = 4x - 11 = 4*19 - 11 = 65°