Pyramid Frustum With Triangular Bases and Height of 27 inches Small 320×312 Medium 640×625 Large 1024×1000 Download Tiff Original 2458×2400 | (282.0 KB) Description An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part is called a frustum. This frustum has right triangular bases, one with 20 inch side and the other with a 30 inch side. Height is 27 inches. Keywords 20, 30, 8, altitude, bases, frustum, height of 27 inches, part of pyramid, Right Triangle, shape, sides of 12, solid, triangles, triangular base, volume Galleries Frusta Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 228
