Find the value of x. Then find the angle measures of the polygon.
x=_
Question 2

Answer:
125°
Step-by-step explanation:
Accumulate every detail given:
720 = 120+100+120+120+ (x+10) + x
720 = 120+100+120+120+2x+10
720=470+2x
Flip the equation to avoid negative equation
470+2x=720
2x=720
x=250/2
x=125
125 Is the final answer