1. point   semicircle   radius   volume   point   Hint Half-n-half Clue   2. rangée   cylinder   curve   line   point   Half-n-half Clue   3. périmètre   semicircle   line   sphere   perimeter   Half-n-half Clue   4. rectangle   line   curve   radius   rectangle   Half-n-half Clue   5. demi-cercle   semicircle   side   sphere   cube   Half-n-half Clue   6. côté   side   circle   area   cube   Half-n-half Clue   7. rayon   line   sphere   triangle   radius   Half-n-half Clue