Il cubo ha nove piani di simmetria, cioè ci sono nove diverse maniere per tagliare un cub...
Ponendo due specchi in modo che formino un angolo che sia un sottomultiplo dispari di 360Â...
Two mirrors at 45° to highlight the fact that by doubling the side of a square you get a ...
Two mirrors at a particular angle show the rotation axes of the cube: here we see two mirr...
A cube has nine symmetry planes: three planes which are parallel to a couple of opposite ...
Which is the shortest way from a point A to another point B (A and B are on the same semip...
