360° Sum of Angles Small 320×298 Medium 640×596 Large 1024×953 Download Tiff Original 2400×2234 | (165.7 KB) Description Illustration showing that the sum of all the angles about a point equals 360°. Keywords 360°, angle sum, geometry, sum of angles Galleries Miscellaneous Angles Source: C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 16
