\begin{tableau}[pr]{\linewidth}
  \\ \hline %%%%%%%%%%%%%%%%%%%%%%P52
\begin{tikzpicture}[general, scale=0.65]
\draw[color=H1,fill=H4] (0,0)--(4,1)--(-0.5,2)--cycle;
\draw[rotate=14, color=H1, fill=H1] (0,0) rectangle (0.3,0.3);
\draw (0,0) node[below] {$A$};
\draw (4,1) node[right] {$B$};
\draw (-0.5,2) node[above] {$C$};
\draw[dashed] (0,0)--(1.75,1.5);
\draw (0.625,1.75) node[color=A1, rotate=77.52] {$\approx$};
\draw (2.875,1.25) node[color=A1, rotate=77.52] {$\approx$};
\draw (1.75,1.5) node[above] {$M$};
\end{tikzpicture} &
  \propriete{}
 Si un triangle est rectangle alors  la médiane issue de l'angle droit mesure la moitié  de l'hypoténuse.
& Ici, $ABC$ est rectangle en $A$ et $M$ est le milieu de $[BC]$.

Donc $AM=BC\div 2$.
\end{tableau}
