Question

Please look at the picture before answering!

Answer 1

I’ll say about a good 60-75 becasue if you look at a 30,60,90 triangle it should u the length. It’s not good to assume but with no measurements and more you have to assume and my assumption is 60-75 let you pick in between there.

Answer 2

Answer:

it's angle 4 = 81 degrees