Question: A circle of radius r is inscribed in a square. See the figure. (a) Express the area A of the square as a function of

A circle of radius r is inscribed in a square. See the figure.

A circle of radius r is inscribed in a square.


(a) Express the area A of the square as a function of the radius r of the circle.

(b) Express the perimeter p of the square as a function of r.

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