 Problem 23
Consider a tunnel (not necessarily straight) of length 101 units through a
sphere of radius 51 units.
Prove that the sphere can be cut into two congruent pieces one of which
contains the tunnel in its interior.
RonL
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Truth does not change because it is, or is not, believed by a majority of the people.
Giordano Bruno
Last edited by CaptainBlack; May 28th, 2007 at 10:14 AM.
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