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

20 POINTS 18Which CANNOT be used to prove that lines m and n are parallel a 2 4 b 4 7 c 4 5 d 1 5 class=