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If a quadrilateral has 2 pairs of opposite sides that are congruent, then it is a parallelogram.

If a quadrilateral has 2 pairs of opposite sides that are congruent, then it is a-example-1
If a quadrilateral has 2 pairs of opposite sides that are congruent, then it is a-example-1
If a quadrilateral has 2 pairs of opposite sides that are congruent, then it is a-example-2
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If a quadrilateral exhibits two pairs of opposite sides with congruent lengths, it necessarily forms a parallelogram.

This conclusion stems from the fact that congruent opposite sides imply the equality of corresponding angles, a fundamental property of parallelograms. By extension, the consistency in side lengths ensures that opposite angles are also equal, confirming the parallelism of opposite sides.

Therefore, the quadrilateral fulfills the criteria for a parallelogram, where opposite sides are both congruent and parallel. This geometric principle underscores the inherent connection between congruence and parallelism in quadrilaterals, providing a concise and logical basis for the conjecture.

If a quadrilateral has 2 pairs of opposite sides that are congruent, then it is a-example-1

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