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Menelaus's Theorem

Menelaus’s Theorem
Theorem of Menelaus

A theorem relating the way two cevians of a triangle divide each other and two of the triangle's sides.

 

Triangle ABC with cevian line intersecting at points D, F, P. Formula: AD/DB · BP/PF · FC/CA = 1

 

 

See also

Ceva's Theorem, Stewart's Theorem