Focus In Auxiliary Circle of Conic
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Diagram showing how to construct a conic when given the focus and the auxiliary circle. As the focus moves inside the circle the ellipse broadens out until the focus reaches the center and becomes a circle.
Keywords
cone, ellipse, ellipses, circle, conic section, hyperbola, construction, circles, focus, conics, foci, construct, hyperbolasGalleries
Geometric ConstructionsSource
Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)
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