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Parallelogram Exploration

Author:
David Travis
Topic:
Parallelogram, Quadrilaterals
Explore Parallelogram special properties Move the vertices on each step. Click on the checkbox to see special theorems.
If the quadrilateral is a parallelogram... What can you say about opposite sides? What can you say about opposite angles? What can you say about consecutive angles? What can you say about diagonals?

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