1. superficie   diameter   area   curve   angle   Hint Half-n-half Clue   2. angolo   angle   curve   diameter   volume   Half-n-half Clue   3. circonferenza   volume   cone   cylinder   circumference   Half-n-half Clue   4. curva   circumference   curve   cylinder   volume   Half-n-half Clue   5. cubo   cylinder   area   line   cube   Half-n-half Clue   6. rettangolo   volume   rectangle   point   semicircle   Half-n-half Clue   7. cilindro   cone   radius   triangle   cylinder   Half-n-half Clue