Respuesta :

calculista
we  know that
[volume of a sphere]=(4/3)*pi*r³
if the diameter is doubled 
then 
the radius also is doubled

the new volume=(4/3)*pi*(2r)³------> 8*[(4/3)*pi*r³]-------> (32/3)*pi*r³

the answer is C)
32/3πr3 

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