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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 the rectangular sheet.

Answer»

-Area of hollow cylinder = WIDTH of the rectangular sheet = 33 cm.To Find :-PERIMETER of the rectangular sheet.Solution :-We know that, Width of the rectangular sheet = Circumference of the cylinder.So,Now,▪️l = 128 cm, b = 33 cmPerimeter of the sheet = 2(l + b) = 2(128 + 33) = 2 × 161 = 322 cm☯ Hence, the required perimeter = 322 cm.



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