Cube for Illustrating Volume Small 320×271 Medium 640×541 Large 1024×866 Download Tiff Original 2400×2030 | (403.2 KB) Description An illustration of a cube divided into 6 equal pyramids to illustrate how volume can be found. Keywords cube, equal pyramids, frustum, pyramid, shape, solid, square base, volume Galleries Cubes Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 216