| A | B |
|---|
| a flat surface of a polyhedron | face |
| a three dimensional figure in which all the surfaces or faces are polygons | polyhedron |
| a polyhedron that has two congruent bases and other faces that are all parallelograms | prims |
| a side of a polygon | base |
| a half of a sphere | hemisphere |
| a three dimensional figure with two parallel, congruent circular bases connected by a curved lateral surface | cylinder |
| in a cylinder, the curved surface connecting the circular bases;in a cone, the curved surface that is not a base | lateral surface |
| on a polyhedron, the intersection of three or more faces | vertex |
| an arrangement of two-dimensional figures that can be folded to form a polyhedron | net |
| a polyhedron with a polygon base and triangular sides that all meet at a common vertex | pyramid |
| the sum of the areas of the faces of a three dimensional figure | surface area |
| a three dimensional figure with one vertex and one circular base | cone |
| a line segment along which two faces of a polyhedron intersect | edge |
| the number of cubic units needed to fill a given space | volume |
| a three-dimensional figure with all points the same distance from the center | sphere |
