%@Auteur: D'après {\sl trucsmath.free.fr}\par \selectlanguage{english} \begin{myenumerate} \item Find the area of a circle which has a radius of 4~cm. \item How many edges does a hexagon have ? \item How many edges does a pentagon have ? \item What is the name of a regular polygon having eight edges ? \item What is the name of a regular polygon having ten edges ? \item How many faces does a cube have ? \item How many edges and vertices does a cube have ? \item How many faces does a tetrahedron have ? \item How many edges and vertices does a tetrahedron have ? \end{myenumerate} \selectlanguage{frenchb}