| 单词 | Feuerbach's Conic Theorem |
| 释义 | Feuerbach's Conic TheoremThe Locus of the centers of all Conics through the Vertices andOrthocenter of a Triangle (which are Rectangular Hyperbolas when not degenerate),is a Circle through the Midpoints of the sides, the points half way from the Orthocenter tothe Vertices, and the feet of the Altitude. See also Altitude, Conic Section, Feuerbach's Theorem, Kiepert's Hyperbola, Midpoint,Orthocenter, Rectangular Hyperbola
Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 198, 1959. |
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