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Tetrahedron bounded by spheres (Posted on 2003-04-17) Difficulty: 3 of 5
A regular tetrahedron holds a sphere snugly within its four sides. A larger sphere surrounds the tetrahedron, just touching its four vertices. What is the ratio of radii of the two spheres?

See The Solution Submitted by Bryan    
Rating: 3.5000 (6 votes)

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  Subject Author Date
answerK Sengupta2007-07-30 13:30:40
SolutionSolutionAntonio2003-08-21 19:09:41
re: Solution (long and complicated version)Charlie2003-04-17 10:04:54
SolutionThis is the solutionCharlie2003-04-17 09:42:15
I getjude2003-04-17 09:41:56
SolutionSolution (short version)Hank2003-04-17 09:31:11
Solution (long and complicated version)Hank2003-04-17 09:30:41
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