1. punto   line   rectangle   point   cone   Hint Half-n-half Clue   2. curva   curve   radius   cylinder   circumference   Half-n-half Clue   3. cerchio   area   line   circle   triangle   Half-n-half Clue   4. cono   cube   rectangle   cylinder   cone   Half-n-half Clue   5. circonferenza   volume   diameter   triangle   circumference   Half-n-half Clue   6. semicerchio   semicircle   circumference   square   triangle   Half-n-half Clue   7. raggio   radius   volume   cone   side   Half-n-half Clue