Euler characteristic Polyhedra Polyhedra

| Name_ | Vertices_V | Edges_E | Faces_F | Euler_characteristic_V_E_F |
|---|---|---|---|---|
| Tetrahedron | 4 | 6 | 4 | 2 |
| Hexahedron or cube | 8 | 12 | 6 | 2 |
| Octahedron | 6 | 12 | 8 | 2 |
| Dodecahedron | 20 | 30 | 12 | 2 |
| Icosahedron | 12 | 30 | 20 | 2 |