The Octahedron
A polyhedron bounded by eight equilateral triangles; four meeting at each vertex.
The octahedron is one of the five platonic solids. It is also a truncated form of the tetrahedron.
| Vertex Symbol |
Wythoff Symbol |
No. of Vertices |
No. of Edges |
No. of Faces |
Symmetry Group |
Dual Polyhedron |
| 34 | 4 | 2 3 | 6 | 12 | 8 | S4×C2 | Cube |
|
Edge In-Radius |
= |
 6
|
Edge Inter-Radius |
= | 2 |
Edge Circum-Radius |
= |
2
|