Area of a Parallelogram

http://illuminations.nctm.org/ActivityDetail.aspx?id=47

Demonstration, Interactive

This applet will show you how to divide the parallelogram into pieces, arrange them together to form a rectangle, and then use the formula for the area of a rectangle to find the area of the parallelogram.

28 October 2013 Edit: 21 August 2018

Requires: Java

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