1. ângulo   side   semicircle   cube   angle   Hint Half-n-half Clue   2. superfície, área   cube   square   circumference   area   Half-n-half Clue   3. curva   point   curve   side   perimeter   Half-n-half Clue   4. cilindro   area   side   sphere   cylinder   Half-n-half Clue   5. círculo   side   circle   cone   square   Half-n-half Clue   6. circunferência   area   circumference   sphere   point   Half-n-half Clue   7. cone   cone   circle   triangle   sphere   Half-n-half Clue