Q. 84.3( 189 Votes )

The lateral surface area of a hollow cylinder is 4224 cm2. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular sheet?

Answer :

Area of Rectangular Sheet = Surface Area of the Cylinder


Area of Rectangle = l x b


l x b = 4224


l x 33 = 4224


l = 128 cm


Perimeter of rectangular sheet = 2( l + b)


= 2 (128 + 33)


= 2 x 161 = 322 cm


Hence perimeter of rectangular sheet is 322 cm.


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