1. semicírculo   semicircle   circumference   rectangle   circle   Hint Half-n-half Clue   2. triángulo   diameter   point   triangle   circle   Half-n-half Clue   3. cono   square   cone   cube   diameter   Half-n-half Clue   4. rectángulo   diameter   rectangle   square   line   Half-n-half Clue   5. volumen   point   circle   volume   diameter   Half-n-half Clue   6. circunferencia   side   radius   diameter   circumference   Half-n-half Clue   7. perímetro   volume   sphere   angle   perimeter   Half-n-half Clue