SOLUTION: In quadrilateral ABCD, AB is congruent to CD, AB is parallel to CD, and BF and DE are perpendicular to diagonal AC at points F and E
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Question 1068169: In quadrilateral ABCD, AB is congruent to CD, AB is parallel to CD, and BF and DE are perpendicular to diagonal AC at points F and E Answer by ikleyn(52812) (Show Source):