Concept information
Terme préférentiel
Steiner-Lehmus theorem
Définition
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The Steiner–Lehmus theorem, a theorem in elementary geometry, was formulated by C. L. Lehmus and subsequently proved by Jakob Steiner. It states : every triangle with two angle bisectors of equal lengths is isosceles.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Steiner%E2%80%93Lehmus_theorem)
Concept générique
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/PSR-C5QQH5D7-0
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