Y / 770
work:
Solution y =
![Y 770workSolution y class=](https://us-static.z-dn.net/files/dd5/038d8e5bcec2f5970b997f6626123c71.jpg)
Answer:
Step-by-step explanation:
y + 77 = 180 {straight line}
y = 180 - 77
y = 103°