Crossed ladders

Authors

  • Pavel Leischner Pedagogical Faculty, University of South Bohemia, České Budějovice

Abstract

The article introduces Czech readers to the extended crossed ladders theorem and its corollary: If the cevians AD and BC of triangle ABC intersect at point F, then harmonic mean of the areas of the triangles ABD and ABE equal to the harmonic mean of the areas of triangles ABF and ABC.

Pieces of knowledge are extended and some applications are supplemented.

Published

2022-12-01

How to Cite

Leischner, P. (2022). Crossed ladders. MATHEMATICS–PHYSICS–INFORMATICS, 31(4), 241–252. Retrieved from https://mfi.upol.cz/index.php/mfi/article/view/671

Issue

Section

Mathematics