### Related items

#### Four colour theorem

Colour a map with the fewest number of colours possible, so that no two adjacent regions have the same colour.

#### Leonardo da Vinci’s workshop (Florence, 16th century)

Visit the workshop of the Renaissance polymath and his most influential inventions and works of art.

#### Solids of revolution

Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.

#### Sphere

A sphere is the set of points which are all within the same distance from a given point in space.

#### Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.

#### The chapel of Notre-Dame-du-Haut (1950, Ronchamp, France)

A pilgrimage chapel designed by the French architect Le Corbusier, one of the greatest architects of the 20th century.

#### Volume and surface area (exercise)

An exercise about the volume and surface area of solids generated from a ´base cube´.