Dxxdyjojo18 Dxxdyjojo18
  • 15-03-2018
  • Mathematics
contestada

The DIAMETER of a sphere is doubled. What is the new volume of the sphere?
A)
8/3πr3
B)
16/3πr3
C)
32/3πr3
D)
64/3πr3

Respuesta :

calculista
calculista calculista
  • 24-03-2018
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 
Answer Link

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