Thus a cylinder is not a polyhedron for several reasons: its lateral surface is not plane, its bases are not polygons, finally it has no vertex! No faces, no edges, no vertices, it couldn’t be worse! Nevertheless two faces can intersect but the intersection is not an edge.Click to see full answer. Beside this, is a right circular cylinder a polyhedron?A cylinder is a solid figure, but is not considered a polyhedron. It has two congruent, circular bases. It also has one rectangular face that is curved around the circular bases.Similarly, is a cube a regular polyhedron? Regular Polyhedron There are five and only five of these figures, also called the Platonic Solids: the tetrahedron, cube, octahedron, dodecahedron, and icosahedron. In this regard, which does not describe a polyhedron? There are no gaps between the edges or vertices in a polyhedron. Examples of polyhedrons include a cube, prism, or pyramid. Non-polyhedrons are cones, spheres, and cylinders because they have sides that are not polygons.Is a cylinder a circular prism?A prism is a polyhedron, which means all faces are flat! For example, a cylinder is not a prism, because it has curved sides.