Question

find the value of x and y in each of the following diagrams

Answer 1

1) x=y=60°
2)x=55°,y=70°
3)what the angle at upper right vertex if it is 30° then x=80°,y=44°
if is is 50° then x=60°,y=24°

Answer 2

Hope it will help..
I have done it below