Question

Find the value of x. Then find the angle measures of the polygon

Answer 1

Answer: x= 25

Angles = 45, 60, 75

Explanation:

(X+20) +3x+60 = 180

(X+20)+3x= 180-60= 120

X+20+3x= 120

X= 25

25 + 20=45

25*3= 75