A) \[230\,c{{m}^{2}}\]
B) \[~660\text{ }c{{m}^{2}}\]
C) \[~550\text{ }c{{m}^{2}}\]
D) \[~450\text{ }c{{m}^{2}}\]
Correct Answer: B
Solution :
C.S.A\[=2\pi rh=660\,c{{m}^{2}}\] Curved surface area\[=660\,c{{m}^{2}}\]
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