Question

I need help with this​

Answer 1

103

Explanation:

All we have to do is subtract the measure of the line which is 180 by 77 to get the measure of < y. Since they are adjacent to each other this concept will work but if they weren't it would be a little different.

`y+77=180\\y=130`

So the measure of < y is 130°

Answer 2

y = 103

y = 180 - 77 = 103

Explanation:

........