\begin{tableau}[pr]{\linewidth}
  \\ \hline %%%%%%%%%%%%%%%%%%%%%%P27
\begin{tikzpicture}[general, scale=0.6]
 \draw (0,0)--(4,1)--(5,3)--(1,2)--cycle;
 \draw (0,0) node[left]{$A$};
 \draw (4,1) node[below right]{$B$};
 \draw (5,3) node[above right]{$C$};
 \draw (1,2) node[above left]{$D$};
 \draw[color=J1, fill=J1] (0,0) -- (0.75,0.1875) arc (14:63.43:0.7725)--cycle;
 \draw[color=J1, fill=J1] (5,3) -- (4.25,2.8125) arc (194:243.43:0.7725)--cycle;
 \draw[color=A1, fill=A1] (1,2) -- (0.75,1.5) arc (-116.57:14:0.559)--cycle;
 \draw[color=A1, fill=A1] (4,1) -- (4.25,1.5) arc (63.43:194:0.559)--cycle;
\end{tikzpicture} &
  \propriete{}
 Si un quadrilatère a ses angles opposés de la même mesure alors c'est un parallélogramme.  
&Ici, $\widehat{ADC}=\widehat{ABC}$ et $\widehat{DAB}=\widehat{BCD}$. 

Donc, $ABCD$ est un parallélogramme.
\end{tableau}
