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Mathematics 18 Online
OpenStudy (anonymous):

Find the exact area of a circle having the given circumference. 8pi so i got this question wrong i had goteen 25.15

OpenStudy (anonymous):

C = 2pi * r Solve for r and then use that value and substitute it into the area formula A = pi*r^2

OpenStudy (anonymous):

Did you get a value for r?

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