I am Stuck on this Math Question on Angles

So there is this math question im stuck on and I was wondering how to solve it and the answer for this problem

The problem consists of two parralel lines and a triangle but there are exterior angles im trying to find the angle of but I simply cannot

I will provide a picture for you guys to see

Thank you and have a good day :)

I am Stuck on this Math Question on Angles So there is this math question im stuck on and I was wondering how to solve it and the answer for this problem The pr class=