Will give brainilest Pls help thanks so much! Write a two column proof that if the diagonals of a parallelogram are congruent, that parallelogram must be a rectangle.

Given: ABCD is a parallelogram with AB parallel to CD and AD parallel to BC. Diagonal AC is congruent to diagonal BD.

Prove: ABCD is a rectangle (angles A, B, C, and D are right angles).