1. circonférence   side   circumference   cone   point   Hint Half-n-half Clue   2. triangle   cone   triangle   rectangle   circle   Half-n-half Clue   3. carré   radius   square   cone   curve   Half-n-half Clue   4. courbe   square   rectangle   line   curve   Half-n-half Clue   5. volume   area   triangle   volume   curve   Half-n-half Clue   6. rectangle   perimeter   volume   point   rectangle   Half-n-half Clue   7. cône   radius   line   cone   semicircle   Half-n-half Clue