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    Question

    If the sum of the radius and height of a right circular

    cylinder is equal to three times the radius, what is the height of the cylinder in terms of the radius?
    A 2r Correct Answer Incorrect Answer
    B 3r Correct Answer Incorrect Answer
    C r/2 Correct Answer Incorrect Answer
    D 3r/2 Correct Answer Incorrect Answer

    Solution

    ATQ- h + r = 3r h =2r.

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