1. triángulo   circumference   triangle   perimeter   volume   Hint Half-n-half Clue   2. volumen   area   circumference   volume   cone   Half-n-half Clue   3. superficie   curve   volume   area   circle   Half-n-half Clue   4. diámetro   perimeter   volume   diameter   semicircle   Half-n-half Clue   5. línea   diameter   rectangle   cone   line   Half-n-half Clue   6. cubo   area   cube   cone   cylinder   Half-n-half Clue   7. círculo   radius   cube   circle   cylinder   Half-n-half Clue