Shapes A and B are polyhedra while shape C is not. Why?
Which of the following solids is a polyhedron?
Which of the following solids has faces, vertices and edges?
A number of 1cm x 1cm x 1cm cubes are glued together to form a 3cm x 3cm x 3cm cube. The outside faces of the large cube are painted blue and the small cubes are then pulled apart.