The provided information is enough to show that the Δ DEG ≅ Δ FEG is congruent by SSS congruence theorem.
How to complete the proof
The two column proof is written as follows
Statement Reason
∠ 5 ≅ ∠ 6 given
∠ 3 ≅ ∠ 4 given
DE ≅ FE given
FG ≅ DG given
GE ≅ GE given
Δ DEG ≅ Δ FEG SSS congruence theorem