Ellipse/Related Articles

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A list of Citizendium articles, and planned articles, about Ellipse.
See also changes related to Ellipse, or pages that link to Ellipse or to this page or whose text contains "Ellipse".

Parent topics

  • Conic [r]: A curve obtained as the intersection of a plane with a circular cone; also called second order curve because of its algebraic representation. [e]
  • Second order curve [r]: A planar curve defined by a quadratic equation: ax2 + bxy + cy2 + dx + ey + f = 0 in the affine plane, or   in the projective plane; also called a conic because of its geometrical generation. [e]


Other related topics

  • Parabola [r]: The planar curve formed by the points that lie as far from a given line (the directrix) as from a given point (the focus). [e]
  • Hyperbola [r]: Planar curve formed by the points for which the difference of the distances to two given points is a given number. [e]