%@Auteur:Arnaud Gazagnes\par \begin{multicols}{2} \begin{center} {\psset{unit=.75cm,linewidth=1pt} \begin{pspicture}(0,0)(5,4) \psline(0,2.5)(5,3.5) \psline(0,1)(5,1) \psline(1,4)(4,0) \pscircle(1.85,2.87){0.75} \pscircle(3.25,1){0.75} \uput[d](5,1){$(d)$} \uput[d](5,3.5){$(d')$} \uput[l](1,4){$(\Delta)$} \rput(1.4,3.1){\texttt{1}} \rput(1.7,2.5){\texttt{2}} \rput(2.3,2.7){\texttt{3}} \rput(2,3.3){\texttt{4}} \rput(2.8,1.2){\texttt{5}} \rput(3.1,0.6){\texttt{6}} \rput(3.7,0.7){\texttt{7}} \rput(3.5,1.4){\texttt{8}} \end{pspicture}} \end{center} Caract\'erise les angles\dots\\ \begin{itemize} \item \texttt{5} et \texttt{8}\\ \item \texttt{1} et \texttt{3}\\ \item \texttt{3} et \texttt{5}\\ \end{itemize} \end{multicols}\begin{multicols}{2} \begin{center} {\psset{unit=.75cm,linewidth=1pt} \begin{pspicture}(0,0)(5,4) \psline(0,2.5)(5,3.5) \psline(0,1)(5,1) \psline(1,4)(4,0) \pscircle(1.85,2.87){0.75} \pscircle(3.25,1){0.75} \uput[d](5,1){$(d)$} \uput[d](5,3.5){$(d')$} \uput[l](1,4){$(\Delta)$} \rput(1.4,3.1){\texttt{1}} \rput(1.7,2.5){\texttt{2}} \rput(2.3,2.7){\texttt{3}} \rput(2,3.3){\texttt{4}} \rput(2.8,1.2){\texttt{5}} \rput(3.1,0.6){\texttt{6}} \rput(3.7,0.7){\texttt{7}} \rput(3.5,1.4){\texttt{8}} \end{pspicture}} \end{center} Caract\'erise les angles\dots\\ \begin{itemize} \item \texttt{5} et \texttt{8}\\ \item \texttt{1} et \texttt{3}\\ \item \texttt{3} et \texttt{5}\\ \end{itemize} \end{multicols}