Question

How do you find it? :(
http://tinypic.com/r/e9i6p0/6

Answer 1

Best to not let yourself be distracted by details.

Answer 2

But what's the measure of it?

Answer 3

Patience. We're looking for this measure...

Answer 4

And we're given

Answer 5

Yes. It's acute. So it's going to be less than 90.

Answer 6

We don't know yet, probably. But what do we know about THIS angle?

Answer 7

That it equals 180?

Answer 8

That is correct. So what does that say about the sum of these three angles...