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The volume of a cylindrical vessel …

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The volume of a cylindrical vessel is 27720 cu. cm and its base radius is 21 cm . Find the curved surface area of the cylindrical vessel.

    • Posted by Sundram Jha 4 years, 11 months ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Shruti ? 4 years, 11 months ago

    Volume = pi*r*r*h => h = 27720/[21*21*(22/7)] => h = 20 cm. Curved Surface Area = 2*r*pi*h = 2*21*(22/7)*20 = 2640 sq cm

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