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    Question

    The base of a right circular cylinder has a diameter of

    28 cm. The height of the cylinder is 4 cm less than its radius. What is the volume of the cylinder?
    A 6160 cm³ Correct Answer Incorrect Answer
    B 5780 cm³ Correct Answer Incorrect Answer
    C 7200 cm³ Correct Answer Incorrect Answer
    D 6420 cm³ Correct Answer Incorrect Answer

    Solution

    Radius of the cylinder = diameter ÷ 2 = (28/2) = 14 cm So, height of the cylinder = 14 – 4 = 10 cm Volume of the cylinder = π × radius2 × height = (22/7) × 14 × 14 × 10 = 6160 cm3

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