Question

match these
1.line RS || segment AB, ∠1=∠2
2.∠B = ∠1
3.∠A = ∠2
4.∠A = ∠B
5.RA = RB

.If lines ||, corresponding ∠'s are =
.Substitution
.If two ∠'s of a triangle are =, sides opposite are =
.f lines ||, alternate interior ∠'s =
.Given