Construction Of An Equal Angle Small 320×110 Medium 640×219 Large 1024×351 Download Tiff Original 2400×822 | (91.7 KB) Description Illustration used to show how to construct an angle equal to a given angle when given a vertex and a given side. Keywords angle construction, congruent, equal angles, geometric construction Galleries Geometric Constructions Source: C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 38 Courtesy the private collection of Roy Winkelman