a 3d objet with all flat sides
False
It is a face of the polyhedron
False
A diamond, as in playing cards is not a polyhedron.A rough diamond is not a polyhedron. A cut diamond is [usually] a polyhedron.
A sphere is not a polyhedron because it has no edges, no vertices and no flat faces The word 'polyhedron' means many faces.
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
They are the faces of the polyhedron.
No, a cubiod is not a polyhedron but a cuboid is.
Any polyhedron.
False
False
They are the faces of the polyhedron.
It is a face of the polyhedron
Yes, a cube is a polyhedron.
A polyhedron with 9 faces: a nonahedron.A polyhedron with 9 faces: a nonahedron.A polyhedron with 9 faces: a nonahedron.A polyhedron with 9 faces: a nonahedron.