20 circular plates, each of radius \( 7 \mathrm{~cm} \) and thickness of \( 2 \mathrm{~cm} \), a...

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20 circular plates, each of radius \( 7 \mathrm{~cm} \) and thickness of \( 2 \mathrm{~cm} \), are placed above the other to form a
\( \mathrm{P} \)
cylindrical solid. Calculate the total surface area.
W
(1) \( 2086 \mathrm{~cm}^{2} \)
(2) \( 2068 \mathrm{~cm}^{2} \)
(3) \( 1068 \mathrm{~cm}^{2} \)
(4) \( 2045 \mathrm{~cm}^{2} \)
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