Re: truncated icosahedron angle problem

"mep0716" <mep0716@xxxxxxxxx> wrote in message
news:1116606980.908275.108340@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >cos(angle between touching hex and penta) = -1/15*sqrt(75+30*sqrt(5))
> >so dihedral angle hex to penta is about 142.62263185935030436 degrees.
>
>
> This is exactly what I have been looking for.
>
> Can you point me to any references for calculating these dihedral
> angles?
>
> Thanks!
> MEP

I did it using Maple by the method described in my previous post.
I'm pretty sure there are places where you can look this up, but
unfortunately I don't have references.
--
Jim Buddenhagen http://home.earthlink.net/~jbuddenh/

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