3 Isosceles Triangles Wit Equal Bases Small 252×320 Medium 504×640 Large 806×1024 Download Tiff Original 1889×2400 | (225.3 KB) Description Illustration of three isosceles triangles with the same base AC but varying heights (as B gets farther from the base). Keywords 3 triangles, altitude, altitudes, geometry, height varies, isosceles, triangle, varying heights Galleries Miscellaneous Triangles Source: C.A. Hart, Daniel D. Feldman Plane and Solid Geometry (New York, NY: American Book Company, 1911)