% \parbox[b][13em][c]{0.45\linewidth}{Pour les exercices \RefQCM{TSG3_QCM_ps_debut_1} à \RefQCM{TSG3_QCM_ps_fin_2}, on considère le cube $ABCDEFGH$ d'arête 1 ci-contre.\\
% On se place dans le repère orthonormé $\left(A\,; \vv{AB}, \vv{AD}, \vv{AE} \right)$.}
% \parbox[b][13em][t]{0.55\linewidth}{\begin{center}
% 	\def \dx {-0.4}
%	\begin{tikzpicture}[general, scale=2]
	%points
%	\coordinate (A) at (0,0); \draw (A) node[left] {$A$};
%	\coordinate (B) at (\dx,-0.5); \draw (B) node[below left] {$B$};
%	\coordinate (C) at (1+\dx,-0.5); \draw (C) node[below] {$C$};
%	\coordinate (D) at (1,0); \draw (D) node[right] {$D$};
%	\coordinate (E) at (0,1); \draw (E) node[above left] {$E$};
%	\coordinate (F) at (\dx,0.5); \draw (F) node[left] {$F$};
%	\coordinate (G) at (1+\dx,0.5); \draw (G) node[right] {$G$};
%	\coordinate (H) at (1,1); \draw (H) node[above right] {$H$};
%	%arêtes
%	\draw (F)--(B)--(C)--(D)--(H)--(G)--(C); \draw (G)--(F)--(E)--(H);
%	\draw[dashed] (A)--(B); \draw[dashed] (A)--(D); \draw[dashed] (A)--(E);
%	\end{tikzpicture}
%	 \end{center}}

  \begin{exercice} Le triangle $BGE$ est :
   \begin{ChoixQCM}{3}
    \item rectangle en $G$
    \item isocèle en $B$
    \item équilatéral
   \end{ChoixQCM}
   \begin{corrige}
    \reponseQCM{c}
   \end{corrige}
  \end{exercice}
  

