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So, a friend of ours from the great state of California, Kevin Hoang, sent this really neat Geogebra demonstration that a student made. It shows the classic slicing up of a circle into sectors and then rearranging them into a parallelogram like figure.
This is an amazing demo if you are exploring informal limit ideas in Common Core Geometry (yes I went there) to derive classic measurement formulas.
Thanks Kevin!
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