Gergonne pointGergonnePoint2002-01-08 00:38:522002-05-17 03:09:01Definition\usepackage{graphicx}
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\newcommand{\figuraex}[2]{\begin{center}\includegraphics[#2]{#1}\end{center}}Let $ABC$ be a triangle and $D,E,F$ where the incircle touches the sides $BC,CA,AB$ respectively. Then the lines $AD, BE, CF$ are concurrent, and the common point is called the \emph{Gergonne point of the triangle}.
\figura{gergonne}