# geometry

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A spherical water tank has a diameter of 10 feet. How much water does it hold when half full (use 3.14 for , and round to the nearest hundredth)?

• geometry -

how will i get my answer

• geometry -

The volume of a sphere with radius r is (4/3)(pi*r^3). Use that.

• geometry -

volume = (4/3)pi(r^3)
so the volume of the full tank = (4/3)pi(5^3
= 523.59878
so half of that volume is 261.79939

to the nearest hundredth, 261.80

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