Pyramids With Pentagonal and Triangular Bases Small 320×149 Medium 640×298 Large 1024×477 Download Tiff Original 2400×1119 | (184.2 KB) Description Illustration of pentagonal and triangular pyramids cut by a plane parallel to the bases. Keywords frustum, geometric solid, parallel plane, pentagon, pentagonal base, pyramid, pyramids, solids, triangular base Galleries Pyramids Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 310
