
\begin{exercice}$(IJ)//(AB)$.
 Quel est le milieu de $[BC]$?
 \begin{center}
  \begin{tikzpicture}[general, scale=0.3]
   \draw (0,0)--(5,1)--(1,4)--cycle;
   \draw[epais, color=C1] (-1,1.75)--(4,2.75);
   \draw[epais, color=C1] (0,0)--(5,1);
   \foreach \x/\y/\N/\pos in {0/0/A/left, 5/1/B/right, 1/4/C/above left, 0.5/2/I/above left, 3/2.5/J/above right} {%\draw (\x,\y) node{$\times$};
   \draw (\x,\y) node[\pos]{$\N$}; } 
 \draw (0.25,1) node[rotate=7, color=G1] {{\boldmath $\approx$}};
 \draw (0.75,3) node[rotate=7, color=G1] {{\boldmath $\approx$}};
  \end{tikzpicture}
\end{center}
\begin{corrige}
 $J$
\end{corrige}
\end{exercice}
