\begin{tableau}[pr]{\linewidth}
  \\ \hline %%%%%%%%%%%%%%%%%%%%%%P56
 \begin{tikzpicture}[general, scale=0.6]
\draw[color=B1, fill=B4] (0,0)--(4,1)--(-0.5,2)--cycle;
\draw[rotate=14, color=B1, fill=B1] (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] {$C$};
\end{tikzpicture}  &
  \propriete{}
 Si un triangle est rectangle alors ses angles aigus sont complémentaires.
&
Ici, $ABC$ est rectangle en $A$.

Donc $\widehat B + \widehat C=90\degremm$.
\end{tableau}
