Planes of symmetry of a cube
A cube has nine symmetry planes: three planes which are parallel to a couple of opposite faces, and six planes (the ones in the photo) that contain two opposite edges. Exhibit from Simmetria, giochi di specchi - Symmetry, playing with mirrors.
The image belongs to the sections...:
Other problems (From the exhibitions of matematita)
From "mirrors" (From "XlaTangente")
The fractions of the cube (From the exhibitions of matematita)
Symmetry of the cube (3D geometry)