SOLUTION: Express the area A of a circle as a function of its circumference C.

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Question 803090: Express the area A of a circle as a function of its circumference C.
Answer by Alan3354(69443) About Me  (Show Source):
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Express the area A of a circle as a function of its circumference C.
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C = 2*pi*r --> r = C/2pi
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Area = pi*r^2 = pi*(C/2pi)^2
Area = C^2/4pi