About Approximating the Circumference and Area of a Circle

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Approximating the Circumference and Area of a Circle

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Author: Annie Fetter
Description: Geometry, difficulty level 2. Take a circle and circumscribe a square and inscribe a square. Construct a square between the other two squares, and compare the area and the perimeter of the middle square with the area and circumference of the circle.

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Problem page: http://mathforum.org/geopow/solutions/19970926.geopow.html
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