👉 A tetrahedron, also known as a pyramid or cube, is a three-dimensional geometric shape consisting of four equilateral triangular faces. Each face is named after one of its vertices and is defined by three edges that meet at a single vertex. In geometry, a tetrahedron can be thought of as a solid with a triangular base and four triangular sides (at the corners of the base). These sides are also known as the edges of the tetrahedron. The number of
