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    Question

    One chord of a circle is given as 20.5 cm. Then the

    radius (r) of the circle must be:
    A r > 10.25 Correct Answer Incorrect Answer
    B r ≥ 10.25 Correct Answer Incorrect Answer
    C r < 10.25 Correct Answer Incorrect Answer
    D r = 10 cm Correct Answer Incorrect Answer

    Solution

    a cord of circle = 2r 20.5 = 2r r = 20.5/2 =10.25cm

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