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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Bounding sphere of an icosahedron
Replies: 2   Last Post: Jul 29, 2000 6:45 PM

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David Gaskill

Posts: 4
Registered: 12/13/04
Re: Bounding sphere of an icosahedron
Posted: Jul 29, 2000 6:45 PM
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On Sat, 29 Jul 2000 11:45:06 -0500, James Buddenhagen
<jbuddenh@texas.net> wrote:

>endpoints of one edge: (0,t,1), (t,1,0) where t=(1+sqrt(5))/2
>center: (0,0,0).
>Since t^2=t+1, edge=2 and edge/dia = 1/sqrt(t+2), or approx .52573111

Very many thanks,

David

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