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Prove that ABCD is not a parallelogram

Prove that ABCD is not a parallelogram-example-1
User Wolfcow
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Answer: ABCD is a parallelogram because if one pair of opposite sides of a quadrilateral are both congruent and parallel, the quadrilateral is a parallelogram. AE ≅ CE because the diagonals of a parallelogram bisect each other.

Explanation:

User Qandeel Abbassi
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