| A | B |
| polyhedron | A three-dimensional figure whose faces are all polygons. |
| lateral face | Any face or surface that is not a base. |
| slant height | The height of each triangular face of a pyramid. |
| composite solid | A figure that is made up of more than one solid. |
| net | A two-dimensional representation of a solid. |
| three-dimensional figure | A figure that has length, width, and depth: also known as a solid. |
| regular pyramid | A polygon with congruent sides and congruent angles. |
| surface area | The sum of the areas of all the faces of a prism. |