My Proof

The angles of a parallelogram are congruent

1.Prove that the angles of a parallelogram are congruent. 2.Given-The sides of the parallelogram are parallel to each other. 3.The diagram below. 4.The angles of a parallelogram are congruent because they equal the same. 5.SIdes AB and DC are parallel. 6.Angles ADC and ABC are congruent. 7.Angles DAB and BCD are congruent. 8.Sides DA and CB are parallel.