ABCD is a parallelogram. The sides AB and AD are produced to E and F respectively, such that AB = BE and AD = DF. Then prove triangle BEC is congruent to triangle DCF.

ABCD is a parallelogram. The sides AB and AD are produced to E and F r

1.	ABCD is a parallelogram. The sides AB and AD are produced to E and F respectively, such that AB = BE and AD = DF. Then prove triangle BEC is congruent to triangle DCF.
Answer» A parallelogram is a type ofquadrilateralin which the opposite sides are parallel and equal.