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Parallelograms. 5 Ways to Prove a Quadrilateral is a Parallelogram. 1. Show both pairs of opposite sides are parallel. 5 Ways to Prove a Quadrilateral is a Parallelogram. 2. Show both pairs of opposite sides are congruent. 5 Ways to Prove a Quadrilateral is a Parallelogram.
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5 Ways to Prove a Quadrilateral is a Parallelogram 1. Show both pairs of opposite sides are parallel.
5 Ways to Prove a Quadrilateral is a Parallelogram 2. Show both pairs of opposite sides are congruent.
5 Ways to Prove a Quadrilateral is a Parallelogram 3. Show both pairs of opposite angles are congruent.
5 Ways to Prove a Quadrilateral is a Parallelogram 4. Show one pair of opposite sides are congruent and parallel.
5 Ways to Prove a Quadrilateral is a Parallelogram 5. Show the diagonals bisect each other.