A ball of radius 13 has a round hole of radius 7 drilled through its center. Find the volume of the resulting solid.

so volume of a sphere 4/3pi(r^3)

but if u take the volume of both and subtract its not right

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- August 7th 2009, 12:05 PMdat1611volume of sphere with hole in it
A ball of radius 13 has a round hole of radius 7 drilled through its center. Find the volume of the resulting solid.

so volume of a sphere 4/3pi(r^3)

but if u take the volume of both and subtract its not right - August 7th 2009, 12:13 PMskeeter
- August 7th 2009, 12:15 PMCaptainBlack
see here

CB - August 7th 2009, 12:17 PMdat1611
4/3pi(13)^3-4/3pi(7)^3

8788pi/3-1372pi/3

2472pi - August 7th 2009, 12:23 PMskeeter
- August 7th 2009, 12:30 PMskeeter
another link ...

http://www.mathhelpforum.com/math-he...ed-sphere.html - August 9th 2009, 02:42 PMChris L T521