1. semicírculo   radius   semicircle   curve   perimeter   Hint Half-n-half Clue   2. perímetro   radius   cone   perimeter   volume   Half-n-half Clue   3. diâmetro   perimeter   cube   diameter   circle   Half-n-half Clue   4. ponto   point   circle   square   circumference   Half-n-half Clue   5. volume   cube   volume   angle   point   Half-n-half Clue   6. cubo   cube   curve   cone   area   Half-n-half Clue   7. circunferência   semicircle   rectangle   angle   circumference   Half-n-half Clue