Does anyone know how to do a proof for proving that Alternate Interior Angles in a parallelogram are congruent?

by jenjoaquin

Question by jramirez23: Does anyone know how to do a proof for proving that Alternate Interior Angles in a parallelogram are congruent?

I am given a diagram of a parallelogram with 2 diagonal segments running across the parallelogram. How can I prove that Alternate Interior Angles in this figure are congruent?

This is a Two-Column proof.




Best answer:

Answer by K. Saynette
side-angle-side
angle-side-angle

have fun with proofs

Give your answer to this question below!