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Theorem

Lester's Theorem

Geometry

In Euclidean plane geometry, Lester's theorem states that in any scalene triangle, the two Fermat points, the nine-point center, and the circumcenter all lie on the same circle. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Classification
Statement Form
Existence Theorem 1
Proof Year
1997 1
Connections

Has Statement Form

Existence Theorem, Concepts

In Branch

Geometry, Branches of Mathematics
Source Lester's theorem (Wikipedia)
Sources
1. Lester's theorem (Wikipedia)
  • Lead section
    In Euclidean plane geometry, Lester's theorem states that in any scalene triangle, the two Fermat points, the nine-point center, and the circumcenter lie on the same circle.
  • In Branch: Geometry, Lead sentence
    In Euclidean plane geometry, Lester's theorem states that in any scalene triangle, the two Fermat points, the nine-point center, a
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