### Related items

#### Cube

This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.

#### Cylindrical solids

This animation demonstrates various types of cylindrical solids as well as their lateral surfaces.

#### Euclid of Alexandria

The Ancient Greek scientist, Euclid of Alexandria, is often referred to as the 'father of geometry'.

#### Euler's polyhedron formula

The theorem formulated by Leonhard Euler describes one of the basic properties of convex polyhedra.

#### Perimeter, area, surface area and volume

This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.

#### Regular square pyramid

A regular square pyramid is a right pyramid with a square base and four triangular faces.

#### Sphere

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

#### Volume of a tetrahedron

To calculate the volume of a tetrahedron we start by calculating the volume of a prism.