Question

Two Column Proof. If you could write it on a piece of paper and send a picture, that would be great.

Answer 1

Parallel lines proof

Let's suppose

∠1 =∠5 and ∠2 = ∠4

then

180° - ∠1 - ∠2 = ∠3

180° - ∠1 - ∠2 =