\begin{exercice}Soient $ABCDEFGH$ un parallélépipède rectangle.
\vspace{-2em}
    \begin{center}
\begin{tikzpicture}[general,scale=0.4]
%\clip(0.34,1.18) rectangle (11.34,7.88);
\draw[fill=A4, color=A4] (1,2)-- (8,2) --(8,5.5)--(1,5.5)--cycle;
\draw[fill=B4, color=B4] (8,5.5)--(1,5.5)--(3,7.5)--(10,7.5)--cycle;
\draw (1,2)-- (8,2) -- (10,4);
\draw [loosely dashed] (10,4)-- (3,4);
\draw (1,5.5)-- (1,2);
\draw (1,5.5)-- (8,5.5);
\draw (8,5.5)-- (10,7.5);
\draw (10,7.5)-- (10,4);
\draw (8,5.5)-- (8,2);
\draw [loosely dashed] (3,7.5)-- (3,4);
\draw (1,5.5)-- (3,7.5);
\draw (3,7.5)-- (10,7.5);
\draw [loosely dashed] (3,4)-- (1,2);
% \begin{scriptsize}
\draw (1,2) node[left] {$A$};
\draw (8,2) node[right] {$B$};
\draw (10,4) node[right] {$C$};
\draw (8,6) node {$F$};
\draw (10,8) node {$G$};
\draw (3,4) node[left] {$D$};
\draw (1,6) node[left] {$E$};
\draw (3,7.5) node[left] {$H$};
% \end{scriptsize}
\end{tikzpicture}
    \end{center}
    \vspace{-2em}
\begin{enumerate}
    \item Les droites $(AB)$ et $(HG)$ définissent\nobreakdash-elles un plan? Si oui, nommer ce plan.
    \item Les droites $(AB)$ et $(CG)$ définissent\nobreakdash-elles un plan? Si oui, nommer ce plan.
    \item Citer trois droites parallèles à $(FG)$.
    \item Citer trois droites sécantes à $(FG)$.
    \item Citer trois droites non coplanaires à $(FG)$.
\end{enumerate}
\end{exercice}
