Posted by **val** on Tuesday, December 1, 2009 at 7:29pm.

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 -
**val**, Tuesday, December 1, 2009 at 7:32pm
how will i get my answer

- geometry -
**Noether**, Tuesday, December 1, 2009 at 7:33pm
The volume of a sphere with radius r is (4/3)(pi*r^3). Use that.

- geometry -
**Reiny**, Tuesday, December 1, 2009 at 7:39pm
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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