Construction Of An Isosceles Triangle Small 224×320 Medium 448×640 Large 717×1024 Download Tiff Original 1681×2400 | (200.4 KB) Description Illustration of the construction used to create an isosceles triangle, given the bases and the sum of the altitude and a side. Keywords construct, construction, constructions, geometry, given bases, isosceles triangle, sum of altitude and side Galleries Geometric Constructions Source: C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 65