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