Respuesta :

a. Sphere.  V = (4/3)πr³    [π≈3.14;  r=6]

V = (4/3) * 3.14 * 6³ ≈ 904.3  m³


b. Сone.   V = (1/3)πr²h   [π≈3.14;  r=5]

By the Pythagorean theorem:
h = 
√(13²-5²) = √144 = 12 m

V = (1/3) * 3.14 * 5² * 12 ≈ 314  m³
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