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Old 2010-07-04, 17:14   #3
davieddy
 
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"Lucan"
Dec 2006
England

2·3·13·83 Posts
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Quote:
Originally Posted by ccorn View Post
Use the duality.

P.S.: And post the result
I thought of that, but I'm not sure that taking
the centre of the 20 triangles gives the simplest
orientation for the vertices of the dodecahedron.

This is "puzzles" - not "homework help"

David

PS Apologies for my French in the first post.
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