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Mathematics 8 Online
OpenStudy (anonymous):

The surface area is found by multiplying the radius of the sphere by 4π, right?

OpenStudy (kinggeorge):

radius squared, but otherwise you're correct.

OpenStudy (katrinakaif):

http://bit.ly/zhqvVL

OpenStudy (kinggeorge):

\[A=4\pi r^2\]

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