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A water storage tank is in the shape of a hemisphere​ (half a​ sphere). If the radius is 20 ​ft, approximate the volume of the tank in cubic feet.

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1 vote

Answer:

The approximate volume of the tank is
V=16,747\ ft^(3)

Explanation:

we know that

The volume of a hemisphere (water storage tank) is equal to


V=(4)/(6)\pi r^(3)

we have


r=20\ ft

assume


\pi =3.14

substitute


V=(4)/(6)(3.14)(20)^(3)


V=16,747\ ft^(3)

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