Definition of Polygons:
Decahedron - 10 faces.
Dodecahedron - 12 faces.
Octahedron - A regular octahedron is a solid composed of eight equilateral triangles, four of which meet at each vertex.
Icosahedron - 20 triangular faces, 30 edges and 12 vertices.
Dodecahedron - 12 faces.
Octahedron - A regular octahedron is a solid composed of eight equilateral triangles, four of which meet at each vertex.
Icosahedron - 20 triangular faces, 30 edges and 12 vertices.