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03-02-2017
Mathematics

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

Respuesta :

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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