1. círculo   circle   volume   semicircle   circumference   Hint Half-n-half Clue   2. triángulo   square   line   sphere   triangle   Half-n-half Clue   3. circunferencia   point   semicircle   circumference   cylinder   Half-n-half Clue   4. volumen   volume   point   cylinder   radius   Half-n-half Clue   5. cono   cone   cube   angle   area   Half-n-half Clue   6. cuadrado   triangle   square   cone   radius   Half-n-half Clue   7. cubo   cube   perimeter   circumference   curve   Half-n-half Clue