The regular polyhedra are five
A way to see why there are only 5 regular polyhedra: we can use squares as faces of a polyhedron only if we put 3 squares around each vertex (and so we get the cube).
The image has been realized for the exhibition Simmetria, giochi di specchi - Symmetry, playing with mirrors.
© matematita
The image belongs to the sections...:
All together (3D geometry)
