need help with this tricky math problem(Prefer HardCore math ppl)?

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03-21-2008, 10:13 AM

SkyIsNeverTheLimit

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need help with this tricky math problem(Prefer HardCore math ppl)?

Please explain ur answer in detail
(prove the answer would be great), thanks alot...10 points for best answer

An insect lives on the surface of a regular tetrahedron with edge of length 1. It wishes to travel on the
surface of the tetrahedron from the midpoint of one edge to the midpoint of the opposite edge. What is
the length of the shortest such trip? (Note: Two edges of a tetrahedron are opposite of they have no
common endpoint.)
(A) 1 3 (B) 1 (C) 2 (D) 3 (E) 2

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