1. quadrato   square   semicircle   line   perimeter   Hint Half-n-half Clue   2. linea   semicircle   triangle   circumference   line   Half-n-half Clue   3. semicerchio   cone   line   rectangle   semicircle   Half-n-half Clue   4. cono   angle   cone   cube   side   Half-n-half Clue   5. lato   sphere   side   cylinder   diameter   Half-n-half Clue   6. rettangolo   cone   curve   circle   rectangle   Half-n-half Clue   7. triangolo   triangle   sphere   square   cylinder   Half-n-half Clue