% !TeX TXS-program:compile = txs:///pdflatex

\documentclass[margin=5mm]{standalone}
\usepackage{ProfLycee}

\begin{document}

\begin{tikzpicture}[line join=bevel]
	\PaveTikz[Aff,Largeur=7,Profondeur=3,Hauteur=2.8,Angle=43]
	\coordinate (M) at ($(H)!0.22!(G)$) ;
	\draw (M) node[above] {$M$} ;
	\draw[dotted,thick] (A)--(M)--(C)--cycle ;
\end{tikzpicture}

\end{document}