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How do you find the surface area of the sphere in terms $π$ $pi$ given $S = 4 π r^{2}$ $S=4pir^2$ and r= 1.2 ft?

1 Answer

Astralboy · Shwetank Mauria

Feb 20, 2017

$S = 5.76 (π)$ $S=5.76(pi)$ square feet

Explanation:

Plug in 1.2 for r.

$S = 4 (π) {(1.2)}^{2}$ $S=4(pi)(1.2)^2$

$S = 4 (π) (1.44)$ $S=4(pi)(1.44)$

$S = 5.76 (π)$ $S=5.76(pi)$ square feet

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