1. diametro   diameter   volume   semicircle   point   Hint Half-n-half Clue   2. curva   curve   cylinder   triangle   circle   Half-n-half Clue   3. perimetro   area   perimeter   line   semicircle   Half-n-half Clue   4. sfera   rectangle   sphere   side   curve   Half-n-half Clue   5. cono   angle   rectangle   cone   point   Half-n-half Clue   6. cubo   line   side   cube   cylinder   Half-n-half Clue   7. linea   cone   circle   cylinder   line   Half-n-half Clue