Originally Posted by Kookehs I can solve it with trig I believe. 
Yes.
But how do I make the triangle? Split it at 45 degrees?

Hmm I don't really understand what you mean by splitting it.
You have 2 vectors. How do you add vectors? Check out your class notes.
Once you've added the 2 vector forces, you will get a new vector called the resultant. Use Pythagoras theorem to calculate its length. Then come up here with your work or doubts.