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Question 9 (i)Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the(i) radius r' of the new sphere.

Answer» Question 9 (i)

Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the

(i) radius r' of the new sphere.


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