Equilateral triangle Small 320×273 Medium 640×545 Large 1024×872 Download Tiff Original 2400×2044 | (276.3 KB) Description "Having equal sides." — Williams, 1889 Keywords equal, equilateral, geometry, triangle Galleries Miscellaneous Triangles Source: H. L. Williams The World's Cyclopedia (New York: World Manufacturing Co, 1889) 174
