1. volumen   triangle   line   square   volume   Hint Half-n-half Clue   2. círculo   circle   cube   line   point   Half-n-half Clue   3. semicírculo   perimeter   circle   cylinder   semicircle   Half-n-half Clue   4. ángulo   angle   cylinder   cone   curve   Half-n-half Clue   5. lado   sphere   side   perimeter   square   Half-n-half Clue   6. superficie   semicircle   area   perimeter   sphere   Half-n-half Clue   7. circunferencia   circumference   line   curve   cylinder   Half-n-half Clue