Question

Can someone help me please? Not only with the answer but with the steps if you could explain how to find out the answer.
What is the measure of XY

Answer 1

http://media.apexlearning.com/Images/200701/19/8e614981-ceab-41b6-859c-84cd3be5fcef.gif

There the picture above.

Answer 2

So you need the angle of XY? That is already labeled on the picture.

Answer 3

So the answer would be 90?

Answer 4

Indeed it would.

Answer 5

Okay, thank you.