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Please help me solve.I have the answer as 201.06 but it is incorrect

Please help me solve.I have the answer as 201.06 but it is incorrect
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Please help me solve.I have the answer as 201.06 but it is incorrect

Please help me solve.I have the answer as 201.06 but it is incorrect-example-1
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User WrathionTBP
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1 Answer

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\begin{gathered} Surface\text{ area =4}\pi r^2 \\ \pi\approx3.14 \\ r=\frac{8\operatorname{cm}}{2}=4\operatorname{cm} \\ Surface\text{ area =4}\cdot(3.14)\cdot(4cm)^2 \\ Surface\text{ area =4}\cdot(3.14)\cdot(16cm^2) \\ Surface\text{ area =200.96}cm^2\approx201cm^2 \\ \text{The surface area is }201cm^2 \end{gathered}

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User Offwhitelotus
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