Given the information below, write a proof that will allow you to state that ∠G ≅ ∠M.

Given: △FGH and △LMN with ∠F ≅ ∠L, (a vinculum is placed over all these letters) FG ≅ LM and FH ≅ LN.

Prove: ∠G ≅ ∠M