Octagon Small 259×320 Medium 519×640 Large 830×1024 Download Tiff Original 1945×2400 | (177.9 KB) Description "A polygon of...eight sides [is] an octagon." —Hallock 1905 Keywords eight, geometry, octagon, polygon, Sides Galleries Octogons Source: V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905) 6:25