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Tangents to a Parabola
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Description: Illustration showing that if two tangents RP and RQ are drawn from a point R to a parabola, the line drawn through R parallel to the axis bisects the chord of contact.
Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 418
Keywords: conic sections, section, parabola, parabolas, directrix, focus, latus rectum, focal chord, coordinates, tangents, parallel
Copyright: 2009, Florida Center for Instructional Technology. See license.
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