Question

curved surface area of a sphere is 16 pi cm².its radius will be.

Answer 1

HEY MATE HERE IS YOUR ANSWER

Answer 2

hey frnd....
we know that surface area of sphere =
$4\pi {r}^{2} = 16 \: {cm}^{2} \\ \pi {r}^{2} = 4 \: {cm}^{2} \\ {r}^{2} = 4 \times( 7 \div 22) \\ {r}^{2} = 28 \div 21 \\ {r}^{2} = 1.33 \\ r = \sqrt{1.33} cm$
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