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If the radius of a sphere is 10cm and you increase the radius by 5 percent then how much percent incriment is there in the volume of the sphere?
Wiki User
∙ 14y ago
The volume of the sphere is proportional to the cube of its radius.
Increasing the radius by 5% causes the volume to increase by the factor of (1.05)3
= (1.05 x 1.05 x 1.05) = 1.157625
= 15.7625% increase in volume.
(Regardless of what the radius and volume were before the increase.)
Wiki User
∙ 14y ago
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