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# The lateral surface area of a hollow cylinder is 4224 cm^2. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular sheet?

8.  The lateral surface area of a hollow cylinder is $4224 cm^{2}$. It is cut along its height and formed a rectangular sheet of width $33 cm$. Find the perimeter of rectangular sheet?

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Lenght of rectangular sheet

$= \frac{4224}{33} = 128\ cm$

So perimeter of rectangular sheet = 2(l + b)

$= 2(128 + 33) = 322\ cm$.

Thus perimeter of rectangular sheet is 322 cm.

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