Regular tetrahedron
| Regular tetrahedron | |
|---|---|
| Type | Deltahedron Platonic solid Pyramid |
| Faces | 4 equilateral triangles |
| Edges | 6 |
| Vertices | 4 |
| Symmetry group | tetrahedral symmetry |
| Dual polyhedron | self-dual |
| Properties | convex |
| Net | |
A regular tetrahedron is a polyhedron with four equilateral triangular faces.