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 has 8 sides.
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.
A hexagon. (A six-sided shape) * * * * * A regular octahedron.