bitangent
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Bitangent — Bi*tan gent, a. [Pref. bi + tangent.] (Geom.) Possessing the property of touching at two points. n. A line that touches a curve in two points. [1913 Webster] … The Collaborative International Dictionary of English
bitangent — ● bitangent, bitangente adjectif Tangent en deux points distincts … Encyclopédie Universelle
Bitangent — (black) has 28 real bitangents (red).This image shows 7 of them; the others are symmetric with respect to 90° rotations through the origin.] In mathematics, a bitangent to a curve C is a line L that touches C in two distinct points P and Q and… … Wikipedia
bitangent — bi|tan|gent Mot Agut Adjectiu invariable … Diccionari Català-Català
bitangent — … Useful english dictionary
bitangente — ● bitangent, bitangente adjectif Tangent en deux points distincts … Encyclopédie Universelle
Malfatti circles — In geometry, the Malfatti circles are three circles inside a given triangle such that each circle is tangent to the other two and to two sides of the triangle. They are named after Gian Francesco Malfatti, who made early studies of the problem of … Wikipedia
Villarceau circles — In geometry, Villarceau circles (pronEng|viːlɑrˈsoʊ) are a pair of circles produced by cutting a torus diagonally through the center at the correct angle. Given an arbitrary point on a torus, four circles can be drawn through it. One is in the… … Wikipedia
Trott curve — In real algebraic geometry, the Trott curve is the set of points ( x , y ) satisfying the degree four polynomial equation:displaystyle 144(x^4+y^4) 225(x^2+y^2)+350x^2y^2+81=0.These points form a nonsingular quartic plane curve that has genus… … Wikipedia
Pseudotriangle — In Euclidean plane geometry, a pseudotriangle is the simply connected subset of the plane that lies between any three mutually tangent convex sets. A pseudotriangulation is a partition of a region of the plane into pseudotriangles, and a pointed… … Wikipedia
