Question

Which of the following does not have triangular faces? A.icosahedron B.octahedron C.tetrahedron D.hexahedron

Answer 1

The option that does not have triangular faces is D) hexahedron, whereas icosahedron, octahedron, and tetrahedron do.

Answer 2

A regular icosahedron is a 3D convex polyhedron with 20 faces, 30 edges and 12 vertices while a regular octahedron has 8 faces. A tetrahedron has 4 faces and is shaped like a pyramid. All of these have triangular bases. A regular hexahedron has six faces and a base of a square