Question

which types of polygons are the faces of a octahedron? a. regular hexagons b. squares c. regular pentagons d. equilateral triangles

Explanation:

A regular octahedron is a Platonic solid with 8 congruent faces. By definition, each of its faces is an equilateral triangle. Regular hexagons are faces of a regular dodecahedron, squares are faces of a cube, and regular pentagons are faces of a regular icosahedron.

Answer:

D. Equilateral triangles