1. semicírculo   semicircle   circle   diameter   square   Hint Half-n-half Clue   2. cono   cone   sphere   curve   circumference   Half-n-half Clue   3. curva   radius   line   triangle   curve   Half-n-half Clue   4. esfera   semicircle   rectangle   sphere   area   Half-n-half Clue   5. cuadrado   square   circle   perimeter   triangle   Half-n-half Clue   6. triángulo   perimeter   triangle   side   sphere   Half-n-half Clue   7. volumen   volume   rectangle   circle   side   Half-n-half Clue