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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.
Line segments AB, CD, and EF are all chords of a sphere. AB, CD, and EF all mutually orthogonal to each other and all intersect at point G.

Given that AG=1, CG=2, EF=3, FG=4; what is the radius of the sphere?
(No Solution Yet, 2 Comments) Submitted on 2019-05-10 by Brian Smith   
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