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    Question

    The radius of a right circular cylinder is 4 times its

    height. If the height of the cylinder is 2.5 cm, then what is the volume of the cylinder? (in cubic cm)
    A 541.24cm³ Correct Answer Incorrect Answer
    B 645.25cm³ Correct Answer Incorrect Answer
    C 785.71cm³ Correct Answer Incorrect Answer
    D 725.71cm³ Correct Answer Incorrect Answer

    Solution

    Given - h= 2.5cm the radius of a circular cylinder = 4h r=3×2.5=10cm Now The volume of the cylinder =πr²h = (22/7) ×10×10×2.5 = (22/7) ×250 785.71cm³

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