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goldfiish [28.3K]
3 years ago
10

Why are only some quadrilaterals parallelograms?

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0

A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel . ... Opposite sides are congruent; Adjacent angles are supplementary; The diagonals bisect each other.

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