Area of a Triangle Small 320×162 Medium 640×325 Large 1024×520 Download Tiff Original 2400×1218 | (136.9 KB) Description Illustration of triangle ABC with altitude a and base b to be used to demonstrate that the area is 1/2ba. Keywords altitude, area, base, height, triangle, triangles Galleries Miscellaneous Triangles Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 189
