15 pts Match the reasons with the statements given.

Given:

△ ABR | | ∠1 = ∠2

Prove:
RA = RB

1. If lines ||, alternate interior ∠'s =

A. RA = RB

2. If two ∠'s of a triangle are =, sides opposite are =

B. ∠ A = ∠ B

3. Given

C. line RS || segment AB , ∠1 = ∠2

4. If lines ||, corresponding ∠'s are =

D.∠ B = ∠1

5. Substitution

E.∠ A = ∠2