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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 2 of 37   << prev next >>    
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Difficulty: 4 of 5A unique Heronian triangle |
Posted on 2017-08-05 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Two parallelograms | Rating: 3.00
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Difficulty: 3 of 5Heronian with consecutives | Rating: 3.00
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Difficulty: 3 of 5Pruned Triangle |
Posted on 2017-07-28 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5Regular N-gon | Rating: 4.00
Posted on 2017-07-09 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lewis Carroll's finding |
Posted on 2017-06-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pythagoras' corner |
Posted on 2017-06-16 by Jer (No Solution Yet, 3 Comments)
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