Demonstration of Ellipse Definition
Illustration showing the definition of an ellipse. “An ellipse is a curve which is the locus of a point that moves in a plane so that the sum of its distances from two fixed points in the plane is constant.” The foci and major axis is drawn.
Keywordsellipse, oval, ellipses, ovals, conic sections, section, focus, foci, definition, major axis, minor axis
GalleriesConic Sections: Ellipses
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 425