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So I have this square and theres a circle inside of it. The circle of radius $r$ is inscribed in the square. So how do I find the area of the square in terms of $r$? I know that area of a circle is $\pi r^2$, but they wouldn't give me the area of the parts of the square the circle doesn't cover. any help?

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Hint: Think about the relationship between the radius of the circle, the diameter of the circle, and the side length of the square.

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Do you know the area of a square given its side length?

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    oh i know its just that i forgot since last time it didn't let me (i think my level was too low or something) and i found the answer after realizing it was right on my face (like this one lol) thanks for the feedback tho, it was great help2011-09-20