SOLUTION: Given: AB||DC AD||BC Prove: angle A and angle B are supplementary

SOLUTION: Given: AB||DC AD||BC Prove: angle A and angle B are supplementary

Algebra.Com

Question 1010928: Given: AB||DC
AD||BC
Prove: angle A and angle B are supplementary
Answer by ikleyn(52864) (Show Source): You can put this solution on YOUR website!
.
Given: AB||DC
AD||BC
Prove: angle A and angle B are supplementary
-------------------------------------------------

Angle A and angle B are supplementary as they are interior angles on the same side at
two parallel lines AD and BC and the transverse AB.

See the lesson Parallel lines in this site, Parallel transversal theorem.

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