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Twenty seven solid iron spheres, each …

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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'

Posted by Priyansh Kumar 4 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Leela Jain 4 years, 7 months ago

1- 3r 2- 1:9

1Thank You

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CBSE > Class 09 > Mathematics