? What is the next step in the proof? Choose the most logical approach. Given: Transversal t passes through parallel lines r and s. Prove: ∠3≅∠6 ∠4≅∠5 Statement Reason 1. r || s given 2. ∠3≅∠7 ∠4≅∠8 For parallel lines cut by a transversal, corresponding angles are congruent. 3.