Question

Given
mZLON is a straight angle.
MZLOM = 4x + 30°
mZMON = 8x + 90°
Find mZMON:
Help pls

Answer 1

Step-by-step explanation:

these are supplementary angles

LOM + MON = 180

(4x + 30) + 8x + 90 = 180

12x + 120 = 180

solve for x and then substitute into 8x +90