Conjugate Diameters of an Ellipse Small 320×180 Medium 640×360 Large 1024×576 Download Tiff Original 2400×1350 | (186.6 KB) Description Illustration showing that if one diameter is conjugate to a second, the second is conjugate to the first. Keywords center, chords, conic sections, conjugate diameters, diameter, ellipse, ellipses, focal chord, focal radii, foci, focus, major axis, minor axis, oval, ovals, radius, section Galleries Conic Sections: Ellipses Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 439
