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28 September, 17:15

Find the curved surface area, total surface area and volume of the following cylinders.

(a) height is10 cm and radius is7cm

(b) height is 20cm and diameter is 14cm

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  1. 28 September, 19:25
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    Curved S. A-πdh

    Volume=πdh

    22/7 * 14*10=440cm²

    22/7*7*7*10=1540cm³

    22/7*14x2=88cm²

    440+88=528cm²

    B

    Csa 22/7*20*14=880cm²

    Volume 22/7*7*7*20=3080cm³

    Total sa

    2Dπ=22/7*14*2=88cm2

    88+880 = 768cm²
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