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  • 03-02-2017
  • Mathematics
contestada

What happens to the volume of a sphere when its diameter is tripled?

Respuesta :

TheHero
TheHero TheHero
  • 03-02-2017
V = 4/3  pi r^3

r is directly proportional to the diameter

and v is proportional to r^3

so 

v is proportional to d^3

for d tripled 

v  is (3)^3 = 27 times original 


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