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Question 9 (ii)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:(ii) ratio of S and S'.

Answer» Question 9 (ii)

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:

(ii) ratio of S and S'.


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