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Mathematics 22 Online
OpenStudy (anonymous):

Find the exact area of a circle having the given circumference. 4(sqrt3pi) HELP!

OpenStudy (bahrom7893):

A = pi*r^2

OpenStudy (bahrom7893):

C = 2pir = 4sqrt3pi

OpenStudy (bahrom7893):

hmm not sure if pi is also under sqrt..

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