%@Auteur: D'après {\sl trucsmath.free.fr}\par
\selectlanguage{english}
\begin{myenumerate}
\item Find the length of the diagonal of a rectangle measuring
5.7~cm by 17.6~cm.
\item The diagonal of a rectangle is 6.7~cm long, and one edge
measures 2.3~cm.\\What is the length of the other edge ?
\item A ladder is 7 meters long. It leans against a wall with the foot of the ladder 2 meters far from the bottom of the wall. How far up the wall does the ladder reach ?
\end{myenumerate}
\selectlanguage{frenchb}