50 Points, please help Match the reasons with the statements given.

Given:

ABR

| |

1 = 2

Prove:

RA = RB

1. line RS || segment AB, ∠1=∠2
If lines ||, corresponding ∠'s are =
2. ∠B = ∠1
Substitution
3. ∠A = ∠2
If two ∠'s of a triangle are =, sides opposite are =
4. ∠A = ∠B
Given
5. RA = RB
If lines ||, alternate interior ∠'s =

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