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The volume of a sphere is 2,143.572,ft cubed. To the nearest foot​, what is the radius of the​ sphere? Use 3.14 for pi.

User Wolfhammer
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1 Answer

6 votes

Volume of a sphere is defined:


V=(4\pi r)/(3)

Solve for radius.


3V=4\pi r\Longrightarrow r=(3V)/(4\pi)

Now put in the data.


</p><p>r=(3\cdot2143.572)/(4\cdot3.14) \\ \\</p><p>r=(6430.716)/(12.56)\approx\boxed{30010}</p><p>

The radius of the sphere is 30010ft.

Hope this helps.

r3t40

User Manmeet
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