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Apply theorems to show if a quadrilateral has two pairs of parallel sides.
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Reasoning and Proof
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Quadrilaterals that are Parallelograms Examples
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This video shows how to work step-by-step through one or more of the examples in Quadrilaterals that are Parallelograms.
MAT.GEO.205.05 (Parallelogram Proofs - Geometry)
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