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