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The radius of this ball is 24 inches. Which equation gives the ball's surface area, in square inches?

The radius of this ball is 24 inches. Which equation gives the ball's surface area, in square inches?
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The radius of this ball is 24 inches. Which equation gives the ball's surface area, in square inches?

User Alex Martian
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1 Answer

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A ball is a sphere, which means it uses the following equations:

V=4/3pi•r^3
SA=4pi•r^2

The equation would be SA=4pi•r^2.

In this case, the ball has a surface area of 576pi, or 1,809.6 square inches.
User Hoppe
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7.6k points
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