Prove the second case of the Congruent Supplements Theorem where two angles are supplementary to congruent angles.Given: <1 and <2…

Prove the second case of the Congruent Supplements Theorem where two angles are supplementary to congruent angles.
Given: <1 and <2 are supplements; <3 and <4 are supplements; <1 congruent <4 Prove: <2 congruent <3