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