the radius of spherical balloon increase from 7 cm to 14 cm as air is being pumped into it. find the ratio of volume of the balloon in the two cases
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in first case. the radius is 7cm
volume1 = 4/3π7×7×7
in second case.the radius is 14cm
volume2= 4/3π14×14×14
volume1/volume2= 1:8
volume1 = 4/3π7×7×7
in second case.the radius is 14cm
volume2= 4/3π14×14×14
volume1/volume2= 1:8
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