Help with Geometry Proofs: Proving Congruent Angles

[ccmath]

Well, I have a take-home quiz and I need help with 6 geometry proofs. It is due tomorrow (Monday) and I honestly have no clue about any of it... here is the first question, please help me!

Homework Statement

Given: Angle ABG is congruent to Angle DEH
Angle GBC is congruent to Angle HEF

Prove: Angle ABC is congruent to Angle DEF

If you need a picture, let me know! Ill make one in paint.

I also need a statement and reason chart to go with it, I know the concept of making one, just need help solving and making the steps!

Homework Equations

The Attempt at a Solution

 

[kevtimc]

ABG and DEH are congruent
GBC and HEF are congruent

angle ABG = angle DEH
angle GBC = angle HEF

AGB + GBC = DEH + HEF

ABC is congruent with DEF

Can you give reasons why this is?
(Hint: the first is given, the second has to do with properties of congruence)