Thursday, July 31, 2008

Menelaus' Theorem Proof

Let ABC be a triangle and MEN a line that transverse (crosses) the lines AB, BC, and AC respectively. Prove that (AM.BE.CN)/(MB.EC.NA)=-1. The converse also holds.

See complete interactive proof with animation and key concepts
Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

No comments:

Post a Comment