Question

daigram of regular octahedron​

Answer 1

Step-by-step explanation:

In geometry, an octahedron (plural: octahedra ) is a polyhedron with eight faces, twelve edges, and six vertices. The term is most commonly used to refer to the regular octahedron ...

3.3.3.3 (Vertex figure): Cube; (dual polyhedron)

Faces by sides: 8

Face configuration: V4.4.4

Dihedral angle: 109.47122° = arccos(−1/3)