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Find the Volume of a Sphere with a Cylindrical Hole

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Please see the attached file for full problem description.
(a) A cylindrical drill with radius r1 is used to bore a hole through the center of a sphere of radius r2. Find the volume of the ring-shaped solid that remains.
(b) Express the volume in terms of height (h).

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Solution Summary

The volume of a sphere with a cylindrical hole is found. It's volume is expressed in terms of its height.

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