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You can certainly express the radius as a function of its area, yes. If the area is known, you can solve the formula for the area of the circle to uniquely get the radius. (The quadratic equation has two solutions; you will of course choose the positive solution for the radius.)

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โˆ™ 2013-05-31 20:36:57
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Q: Is the radius of a circle a function of its area?
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