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Confocal Conics


ConfocalEllipsesHyperbolas

Confocal conics are conic sections sharing a common focus. Any two confocal central conics are orthogonal (Ogilvy 1990, p. 77).


See also

Confocal Ellipses, Confocal Ellipsoidal Coordinates, Confocal Hyperbolas, Confocal Parabolas, Confocal Quadrics, Conic Section, Focus

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References

Ogilvy, C. S. Excursions in Geometry. New York: Dover, pp. 77-78, 1990.Wells, D. The Penguin Dictionary of Curious and Interesting Geometry. London: Penguin, pp. 39-40, 1991.

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Confocal Conics

Cite this as:

Weisstein, Eric W. "Confocal Conics." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ConfocalConics.html

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