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 triangle is not a polyhedron. A triangle is a two-dimensional figure, and a polyhedron is a three-dimensional solid. An example of a triangular-shaped polyhedron is a pyramid.
False
False
It is a face of the polyhedron
A sphere is not a polyhedron because it has no edges, no vertices and no flat faces The word 'polyhedron' means many faces.
diamond/octahedron
Octohedron, or diamond
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
No, a cubiod is not a polyhedron but a cuboid is.
They are the faces of the polyhedron.
A triangle is not a polyhedron. A triangle is a two-dimensional figure, and a polyhedron is a three-dimensional solid. An example of a triangular-shaped polyhedron is a pyramid.
False
False
It is a face of the polyhedron
They are the faces of the polyhedron.