Match the reasons with the statements given. Given:
ABR
=
| |
Prove:
1 =2

Helpful Hint: Start by identifying the given first.

1.Segment RA=segment RB, RS||AB
Substitution
2.∠A = ∠B
If lines ||, corresponding ∠'s =
3.∠A = ∠2
Base ∠'s of isosceles triangle =
4.∠B = ∠1
If lines ||, alternate interior ∠'s =
5.∠1 = ∠2
Given