adonoso1738 adonoso1738 06-02-2024 Mathematics contestada 20 POINTS 18.)Which CANNOT be used to prove that lines m and n are parallel? a. ∠2 ≅ ∠4 b. ∠4 ∠7 c. ∠4 ∠5 d. ∠1 ≅ ∠5