No.
It could be any polygon.
No, they are the faces of the polyhedron.
The definition of polyhedron. If it was not faceted it would not be a polyhedron.
yes it is a polyhedron
Yes, it could be.
They are the faces of the polyhedron.
No, a cubiod is not a polyhedron but a cuboid is.
A polyhedron with 5 faces could be called a pentahedron, but a more common name would be a quadrilateral pyramid. A square pyramid is a special case of such a shape.
False
It is a face of the polyhedron
False
They are the faces of the polyhedron.