1. volume   volume   semicircle   point   area   Hint Half-n-half Clue   2. semicírculo   radius   cone   semicircle   triangle   Half-n-half Clue   3. superfície, área   area   angle   volume   sphere   Half-n-half Clue   4. retângulo   radius   angle   perimeter   rectangle   Half-n-half Clue   5. cilindro   side   cone   cylinder   circumference   Half-n-half Clue   6. ângulo   cylinder   volume   area   angle   Half-n-half Clue   7. diâmetro   diameter   sphere   cube   side   Half-n-half Clue