If the radius of a sphere is triple, what is the ratio of the volume of the new sphere to that of original balloon.
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Step-by-step explanation:
Volume of a sphere is : 4/3 × pi × r cube. If r- radius is trebled, it becomes (3r) cube = 27 × r cube= 27 times the original volume. If radius is tripled, then the volume is increased 27 times. If the radius of a sphere is 12 cm, 27 sphere of such radius is melted and recast to form a new solid sphere.
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