1. semicírculo   semicircle   sphere   line   radius   Hint Half-n-half Clue   2. cilindro   square   area   cylinder   circumference   Half-n-half Clue   3. lado   circle   triangle   side   semicircle   Half-n-half Clue   4. circunferência   cube   circumference   triangle   perimeter   Half-n-half Clue   5. superfície, área   area   radius   angle   triangle   Half-n-half Clue   6. esfera   triangle   volume   side   sphere   Half-n-half Clue   7. ponto   diameter   rectangle   point   cube   Half-n-half Clue