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Mathematics 9 Online
OpenStudy (anonymous):

Find the surface area of the sphere. 7056pi cm^2 37,044pi cm^2 84pi cm^2 1764pi cm^2

OpenStudy (anonymous):

OpenStudy (mridul):

the radius is 21cm the total surface area is 4*pi*r^2 4*pi*441 pi*1764cm^2

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