The lateral surface area of a hollow cylinder is 8448 cm2.It is cut along its height and formed a rectangular sheet of width 66 cm. Find the perimeter of rectangular sheet?
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Lsa of cylinder= πrh
Width of rectangle = height of cylinder
lb= 8448
l= 8448/66
l=128
Perimeter= 2[l+b]
=2[128+66]
2(194)
=388 cm
Width of rectangle = height of cylinder
lb= 8448
l= 8448/66
l=128
Perimeter= 2[l+b]
=2[128+66]
2(194)
=388 cm
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