CBSE Class 9 Answered
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, (ii) ratio of S and S'.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Answered by | 04 Jun, 2014, 03:23: PM
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