They comprise the surfaces of an octahedron.
An octahedron has eight faces - by definition.
Sides and faces are the same thing, and an octahedron has eight.
An octahedron is a closed solid shape with eight polygonal faces.
A "dodeca" is a prefix: it is not a shape. An octahedron has eight faces.
Octahedron- A polyhedron with eight faces. All faces of a regular octahedron are congruent, equilateral triangles.
In geometry, an octahedron is a polyhedron with eight sides. A regular octahedron is the dual polyhedron of a cube; It is a rectified tetrahedron.
In geometry, a octahedron is a poly-hedron/ multi-faced shape with eight sides.
A regular octahedron.
A two-dimension shape with eight sides is an octagon. A three-dimensional object with eight sides is an octahedron.
An octahedron is an eight sided polyhedron. It has eight sides or faces, 12 edges, and six vertexes. Please see the Related Link below for more information and a picture.
An octahedron has 8 sides.
A hexagon. (A six-sided shape) * * * * * A regular octahedron.