Conic Section Showing Parabola
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Illustration showing the definition of a parabola as a conic section. “The section of a right circular cone made by a plane parallel to one, and only one, element of the surface is a parabola.”
Keywords
conic sections, section, parabola, focus, directrix, coordinates, parabolas, latus rectum, focal chord, parabolic segmentGalleries
Conic Sections: ParabolasSource
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 422
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