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It has become obvious that the Shapes category was in way over its head with all sorts of geometrical problems. So, the hard-core Geometry problems will now reside here, where they will fit in much better.
A tetrahedron with five edges of unit length is inscribed in a unit sphere. How long is the sixth edge?
(No Solution Yet, 2 Comments) Submitted on 2018-04-20 by Danish Ahmed Khan   
Page 1 of 37   next >>    
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