answersLogoWhite

0

The plural of "polyhedron" is "polyhedra." There are only 5 regular polyhedra:

  1. Tetrahedron, 4 sides, all equilateral triangles
  2. Cube (or hexahedron), 6 sides, all squares
  3. Octohedron, 8 sides, all equilateral triangles
  4. Dodecahedron, 12 sides, all equilateral pentagons
  5. Icosahedron, 20 sides, all equilateral triangles
User Avatar

Wiki User

11y ago

What else can I help you with?