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