Question

If the radius of a sphere is doubled then its volume becomes

Answer 1

Answer:

8 times

Step-by-step explanation:

Since volume of  sphere = (4/3)* $\pi$* r^3

hence, volume is directly proportional to the cube of radius of sphere

So, when r'=2r

then V'=  (4/3)* $\pi$*( 2r)^3

           = 8V

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