faces
false
A polyhedron.
true
It is called the surface area.
Because the Greek word polyhedron means many faces and the Greek word polygon means many sides
flat surfaces on any polyhedron are called faces
The face of a polyhedron is any of its flat surfaces
The flat surfaces of all polyhedra are called faces and a rectangular prism is simply one kind of polyhedron.
No.
false
A polyhedron.
It is a face of the polyhedron
Polyhedron (plural polyhedra)
A polyhedron.
true
No. By definition a polyhedron has to have faces (flat surfaces), edges, and vertices. A sphere, hemisphere, and a cylinder are all solids but are not polyhedra.
They are its faces