SOLUTION: HELP given: angle 1 and angle 2 are supplementary angle 3 and angle 2 are supplementary Prove: angle 1 and angle 3 are congruent

SOLUTION: HELP given: angle 1 and angle 2 are supplementary angle 3 and angle 2 are supplementary Prove: angle 1 and angle 3 are congruent

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Question 226070: HELP
given: angle 1 and angle 2 are supplementary
angle 3 and angle 2 are supplementary
Prove: angle 1 and angle 3 are congruent
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

1:

: Definition of Supplementary

2:

: Definition of Supplementary

3:

: Addition Property of Equality (added

to both sides of 1.)

4:

: Addition Property of Equality (added

to both sides of 2.)

5:

: Transitive and symmetric Properties of Equality.

6:

congruent to

: Definition of congruence.

John

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