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20 December, 07:14

the capacity of a closed cylindrical vessel of height 1 m is 15.4 liters. How many square meters of metal sheet would be needed to make it?

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  1. 20 December, 09:29
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    7.7 square metres or 7.669 square metres of metal sheet

    Step-by-step explanation:

    Volume of cylinder = 2*22/7*r*100cm

    15.4 litres = 15,400 cm cube

    Radius = 15 400*7/22 * 50

    = 98cm

    Surface area of cylinder = (2*22/7*49^2) + (2*22/7*49 * 100)

    = 15 092 + 61 600

    = 76 692 square cm

    = 7.669 square metres of metal sheet required
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