Frustum of a Pyramid

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Frustum of a Pyramid

 

the section of a pyramid between the base and a plane parallel to the base. The volume of the frustum of a pyramid is equal to Frustum of a Pyramid, where s1 and s2 are the areas of the bases and h is the altitude, the distance between the base and the plane.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.