Lester's theorem
Encyclopedia
In Euclidean plane geometry
Geometry
Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers ....

, Lester's theorem, named after June Lester, states that in any scalene triangle, the two Fermat point
Fermat point
In geometry the Fermat point of a triangle, also called Torricelli point, is a point such that the total distance from the three vertices of the triangle to the point is the minimum possible...

s, the nine-point center, and the circumcenter are concyclic.

External links

  • The Lester Circle Details of its discovery.
  • Lester Circle at MathWorld
    MathWorld
    MathWorld is an online mathematics reference work, created and largely written by Eric W. Weisstein. It is sponsored by and licensed to Wolfram Research, Inc. and was partially funded by the National Science Foundation's National Science Digital Library grant to the University of Illinois at...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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