Octahedron

In geometry, an octahedron (plural: octahedra) 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. It is a rectified tetrahedron. It is a square bipyramid in any of three orthogonal orientations. It is also a triangular antiprism in any of four orientations.

单词	Octohedron
释义	Octohedron 英语百科 Octahedron In geometry, an octahedron (plural: octahedra) 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. It is a rectified tetrahedron. It is a square bipyramid in any of three orthogonal orientations. It is also a triangular antiprism in any of four orientations.
随便看	Saussurea columnaris Saussurea compta Saussurea conica Saussurea conyzoides Saussurea cordifolia Saussurea coriacea Saussurea coriolepis Saussurea costus saussurea costuss Saussurea crispa Saussurea delavayi Saussurea deltoidea Saussurea depsangensis Saussurea deserticola Saussurea dielsiana Saussurea dimorphaea Saussurea dolichopoda Saussurea dschungdienensis Saussurea dutaillyana Saussurea dzeurensis Saussurea edulis Franch. Saussurea edulis Franch.var.verardioides Franch. saussureae,herba Saussurea elegans Saussurea epilobioides

Octohedron

Octahedron