Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...

It is a prism.The cross-section is a pentagon.The 3D shape is a pentagonal prism. For all polyhedra the number of edges is two less than the sum of the number of vertices and faces. This is shown ...