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    Question

    Circumference of one of the bases of a right circular

    cylinder is 132 cm. If height of the cylinder is 0.1 metres, then find the volume (in cm3 ) of the cylinder. (Use π = 22/7)
    A 13,860 cm³ Correct Answer Incorrect Answer
    B 11,860 cm³ Correct Answer Incorrect Answer
    C 13,300 cm³ Correct Answer Incorrect Answer
    D 13,160 cm³ Correct Answer Incorrect Answer

    Solution

    ATQ, Circumference of base of cylinder = 2 X π X radius So, 2 X (22/7) X radius = 132 Or, radius = 132 X (7/44) = 21 cm Height of cylinder = 0.1 X 100 = 10 cm Volume of cylinder = π X radius 2 X height = (22/7) X 212 X 10 = 13,860 cm3

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