Question

find the surface area of closed cylinder of radious 7cm height 11​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$surface \: area = 2\pi r(h + r) \\ radius \: is \: 7cm \\ height \: i s \: 11cm \\ so \: area \: = 2 \times \frac{22}{7} \times 7(11 + 7) \\ = 44 \times 18 \\ = 792 \: {cm}^{2}$

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