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Isosceles from Regular (Posted on 2012-01-20) Difficulty: 3 of 5
Which regular polygons can be dissected into isosceles triangles by non-intersecting diagonals?

See The Solution Submitted by Jer    
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Some Thoughts a conjecture | Comment 6 of 13 |
The regular polygons that can be dissected into isosceles triangles by non-intersecting diagonals are those where the number of vertices (and, thus, the number of sides) of the polygon are in the form of any of the following, such that n and k are positive integers:
52n, and
2(2+n+k) + 2k

Edited on January 22, 2012, 9:43 pm
  Posted by Dej Mar on 2012-01-21 04:20:41

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