Sum of angle
measures: 720°
![Sum of angle measures 720 class=](https://us-static.z-dn.net/files/d1c/e411cc04162bfc256f6d903d07b6e416.png)
Step-by-step explanation:
x + 120 + 100 + 120 + x + 10 + 120= 720
2x + 470 = 720
2x = 250
x = 125
x + 10 = 135