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a = 4 * pi * r^2
el volumen de una esfera es
v = (4/3) * pi * r^3
por lo tanto
(4/3) * pi * r^3 = 288 * pi
dividimos ambos lados entre pi:
(4/3) r^3 = 288
r^3 = 288*3/4
r^3 = 216
sacamos raíz cúbica
r = 6
ahora sustituimos en la ecuación del área:
a = 4 * pi * r^2
a = 4 * 3.14 * 6^2
a = 452,16 cm^2