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A rectangular sheet of metal foil …

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A rectangular sheet of metal foil with dimension 66 cm × 12 cm is rolled to form a cylinder of height 12 cm. Find volume of cylinder

    • Posted by Sujal Shivale 5 years, 2 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Gaurav Seth 5 years, 2 months ago

    2 * 22/7 * r = 66

    r = 66 * 7 / 44

    r = 3 * 7 / 2

    r = 21 / 2 cm

    Volume = pie * r * r * h

    = 22 / 7 * 21 / 2 * 21 / 2 * 12

    = 4158 cm3

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