Correct Answer: Option C

Explanation

T.S.A of s closed cylinder = \(2\pi r(r+h)\)
=\(\frac{2}{1}\times \frac{22}{7} \times \frac{7}{2}\left(\frac{7}{2}+\frac{10}{1}\right) = \frac{22}{1}\left(\frac{27}{2}\right) = 27 \times 11 =297cm^2\)

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