How to use in-sentence of “octahedron”:
– The cube and octahedron are dual, and the dodecahedron and icosahedron are dual.
– The vertices of the octahedron lie at the midpoints of the edges of the tetrahedron, and in this sense it relates to the tetrahedron in the same way that the cuboctahedron and icosidodecahedron relate to the other Platonic solids.
– The octahedron is the dual polyhedron to the cube.
– The octahedron is 4-connected, meaning that it takes the removal of four vertices to disconnect the remaining vertices.
– A truncated octahedron is an Archimedean solid.
– This octahedron can be divided into 8 tetrahedral volumes, by cutting along the coordinate planes.
