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How do you find the surface area of the sphere in terms $pi$ given $S=4pir^2$ and r= 8ft?

1 Answer

Jun 8, 2017

The surface area of the sphere is $256pi$ square feet.

Explanation:

With the formula we can calculate the Surface Area.

$S=4pir^2$

We know the radius ( $r$ ) to be $8ft$ .

$S=4xxpixx8^2$

$S=4xxpixx64$

$S=256pi$

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