No, but the faces of a polyhendron are all flat.
If you mean polyhedron - it is solid figure having many faces
A polyhedron is a three-dimensional geometric shape with flat polygonal faces, straight edges, and vertices. Common examples include cubes, tetrahedra, and octahedra. Polyhedra can be classified into regular (where all faces and angles are congruent) and irregular types. They are fundamental in various fields, including mathematics, architecture, and chemistry, particularly in the study of molecular structures.
There are many. All polyhedra have ONLY flat faces but many other shapes have flat faces such as a hemisphere or an octant or a cylinder.
Yes and its flat surface faces are in regular shapes.
Yes
A polyhedron is a 3-dimensional shape with MANY, but UNSPECIFIED number of vertices. The number of edges and faces are therefore not specified either. Poly = many Hedron = Vertex
A cube.
None. All faces on a pyramid are flat.
Yes.
A polyhedron.
It is a definitional requirement. If any face is not flat, then it is not a polyhedron.
All the faces of a triangular prism must be flat. So finding them should not be too difficult!