Properties of Parallelograms Part 1

[size=150]Below is parallelogram ABCD. Drag the vertices and observe what happens. Answer the questions that follow below the parallelogram tool.[/size]
[size=150]What do you notice?[/size]
[size=150]What do you wonder?[/size]
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– Christopher Wiley, Clare Harris

Información: Properties of Parallelograms Part 1