How can you prove that a quadrilateral is a parallelogram

Question

Stitch

Mathematics

6 December, 11:37

How can you prove that a quadrilateral is a parallelogram

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Answers (2)

Know the Answer?

Babykins · Answer 1

Below is the beginning of the proof.

Abigail · Answer 2

Prove that both pairs of opposite sides are parallel. Prove that both pairs of opposite sides are congruent. Prove that one pair of opposite sides is both congruent and parallel. Prove that the diagonals bisect each other.