Geometry Proof Problem?

I'm having a difficulty with proofs and I just can't figure out how to solve this problem Given: Angle ABC is supplementary to Angle CBD Ray BE bisects Angle ABC Ray BF bisects Angle CBD Prove: Angle EBF is a Right Angle Here's a link for the actual problem if your curious of how the angles... show more I'm having a difficulty with proofs and I just can't figure out how to solve this problem

Given:
Angle ABC is supplementary to Angle CBD
Ray BE bisects Angle ABC
Ray BF bisects Angle CBD

Prove: Angle EBF is a Right Angle

Here's a link for the actual problem if your curious of how the angles look
http://img257.imageshack.us/img257/4833/problemj.jpg
[sorry i have very poor drawing skills]

I don't really understand how to work my way down, so if you could explain that would be great!

Thank you!
3 answers 3