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    Question

    One chord of a circle is given as 18.5 cm. Then the

    radius (r) of the circle must be:
    A 9.50cm Correct Answer Incorrect Answer
    B 37cm Correct Answer Incorrect Answer
    C 9.25cm Correct Answer Incorrect Answer
    D 8.5cm Correct Answer Incorrect Answer

    Solution

    A cord of circle = 2r 18.5 = 2r r = 18.5/2 =9.25cm

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