dodecahedron * * * * * A dodecahedron has 12 FACES, not 12 edges!
12 edges
A cube and a rectangle all have 12 edges.
It has 10 vertices, 10 edges, and 0 faces.
A cube has only 8 edges. * * * * * Actually, a cube has 12 edges, NOT 8.
A rectangular prism (cuboid) and a hexagon-based pyramid, for example, both have 12 edges. Of the five Platonic solids, an octahedron and a cube each have 12 edges.
It is an octahedron which is one of the Platonic Solids having 8 equilateral triangular faces and 12 edges.
a cube has 8 edges
A dodecahedron is one of the Platonic Solids which has 12 pentagonal faces, 30 edges and 20 vertices
A cube and a cuboid of which both have 8 vertices, 12 edges and 6 faces
There are different numbers on the different platonic solids.
There are only 5 known regular Platonic solids and they and their properties are:- 1 Tetrahedron: (pyramid) 4 equilateral triangle faces, 6 edges and 4 vertices 2 Hexahedron (cube) 6 square faces, 12 edges and 8 vertices 3 Octahedron: 8 equilateral triangle faces, 12 edges and 6 vertices 4 Dodecahedron: 12 regular pentagon faces, 30 edges and 20 vertices 5 Icosahedron: 20 equilateral triangle faces, 30 edges and 12 vertices All of them can be inscribed inside a sphere.
spheres
12 edges in a cube.
Symmetry. Perfect symmetry. Equality of angles, edges and vortices.
Spheres
1~Tetrahedron *4 faces (made of equilateral triangles) *6 edges *5 vertices 2~Hexahedron (cube) *6 faces (made of squares) *12 edges *8 vertices 3~Octrahedron *8 faces (made up of equilateral triangles) *12 edges *6 vertices 4~Icosahedron *20 faces (made of equilateral triangles) *30 edges *12 verticies 5~Dodecahedron *12 faces (made of pentagons) *30 edges *20 vertices.