In geometry, an octahedron is a polyhedron with eight faces. A regular octahedron is a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex. A regular octahedron is the dual polyhedron of a cube.
Length of edge (a): 1.00
Volume: (√2)/3 × a³ = 0.47
Surface area: 2 × √3 × a² = 3.46
Number of edges: 12
Number of vertices: 6
Number of faces: 8
Side shape: Triangle
Shapes with similar faces: Tetrahedron, Icosahedron,