Question

Match the reasons with the statements in the proof.

Answer 1

Given: a | | b, m 2 = m 3
Prove: m 1 = m 3

1. a || b, m∠2 = m∠3
Given

2. m∠1 = m∠2
If lines are ||, corresponding angles are equal.

3. m∠1 = m∠3
Substitution

Answer 2

Swap the last two reasons in your problem statement, and you have it sorted.