1. diámetro   diameter   semicircle   circle   volume   Hint Half-n-half Clue   2. radio   radius   perimeter   side   diameter   Half-n-half Clue   3. línea   line   angle   rectangle   diameter   Half-n-half Clue   4. esfera   sphere   triangle   radius   semicircle   Half-n-half Clue   5. círculo   cube   circle   square   triangle   Half-n-half Clue   6. rectángulo   area   circle   triangle   rectangle   Half-n-half Clue   7. volumen   circumference   volume   cone   semicircle   Half-n-half Clue