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**Monox D. I-Fly****Member**- Registered: 2015-12-02
- Posts: 860

I want to prove the formula of regular icosahedron's volume. The reference says that the volume is

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**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,139

see Maths Teaching Resources.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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