perplexus.info :: Geometry : Icosahedron addressed

Icosahedron addressed (Posted on 2016-05-11)

A regular icosahedron is one of the five Platonic solids.
It has 20 faces, 30 edges and (how many?) vertices.

Derive the formulas for its area and volume.

No Solution Yet Submitted by Ady TZIDON

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Subject	Author	Date
Vertices, vertices	JayDeeKay	2016-05-11 17:38:05
The area and a start toward the volume	Charlie	2016-05-11 14:41:18

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