which of the following are necessary when proving that the opposite side of a parallelogram are congruent. check all that apply

Respuesta :

Answer: corresponding parts of congruent triangles are congruent. and Alternate interior angles are congruent.

Step-by-step explanation: YEEEESSSIRRRRR

Answer:

A. Corresponding parts of congruent triangles are congruent.

D. Alternate interior angles are congruent.