tannerlynn8305 tannerlynn8305 26-04-2024 Mathematics Answered Complete the formal geometric proof. Given: ∠ 1 and ∠ 2 are supplementary; ∠ 3 and ∠ 4 are supplementary; ∠ 2 ≅ ∠ 3 Prove: ∠ 1 ≅ ∠ 4