1. circonferenza   cone   circumference   sphere   triangle   Hint Half-n-half Clue   2. perimetro   side   point   cone   perimeter   Half-n-half Clue   3. cerchio   angle   circle   curve   sphere   Half-n-half Clue   4. punto   radius   cube   sphere   point   Half-n-half Clue   5. curva   square   curve   semicircle   angle   Half-n-half Clue   6. angolo   semicircle   angle   line   area   Half-n-half Clue   7. superficie   curve   area   line   cube   Half-n-half Clue