The Book of Lemmas Proposition 7 - Maple Help
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The Book of Lemmas: Proposition 7

Main Concept

If a circle is circumscribed about a square and another circle is inscribed in the same square, the area of the circumscribed circle is double the area of the inscribed circle.


Use the slider below to adjust the side length of the square. Use the check boxes to display the inscribed and circumscribed circles and their respective radii and areas.

Side Length of Square


Inscribed Circle





Circumscribed Circle




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