Answers

2016-02-21T01:09:32+05:30
Surface area of sphere
4πr² = 24.64 cm²
r² = 24.64×7/4×22 =1.96 => r = √1.96 = 1.4 cm

Volume of sphere
4/3×πr³ = 4/3×22/7×1.4³ = 11.49 cm³   Ans.
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