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searching for Nine-point center 7 found (33 total)

Orthocentric system (1,598 words) [view diff] exact match in snippet view article find links to article

The radius of the common nine-point circle is the distance from the nine-point center to the midpoint of any of the six connectors that join any pair of

Medial triangle (878 words) [view diff] exact match in snippet view article find links to article

The nine-point circle circumscribes the medial triangle, and so the nine-point center is the circumcenter of the medial triangle. The Nagel point of the

Inversive geometry (4,386 words) [view diff] exact match in snippet view article find links to article

ABC, meaning the circumcenter of the medial triangle, that is, the nine-point center of the intouch triangle, the incenter and circumcenter of triangle

Cubic plane curve (2,878 words) [view diff] exact match in snippet view article find links to article

cubic is the locus of a point X* is on the line NX, where N is the nine-point center, (N = X(5) in the Encyclopedia of Triangle Centers). The Napoleon–Feuerbach

Fermat point (3,040 words) [view diff] exact match in snippet view article find links to article

point, X(30). The points X(13), X(14), the circumcenter, and the nine-point center lie on a Lester circle. The line X(13)X(14) meets the Euler line at

Incenter–excenter lemma (1,066 words) [view diff] exact match in snippet view article find links to article

Paul (2012), "Conic construction of a triangle from its incenter, nine-point center, and a vertex" (PDF), Journal for Geometry and Graphics, 16 (2): 171–183

Modern triangle geometry (3,686 words) [view diff] exact match in snippet view article find links to article

Lester circle is the circle which passes through the circumcenter, the nine-point center and the outer and inner Fermat points. A generalised Lester circle