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    Question

    A circle has a radius of 10 cm. If a chord is 12 cm

    long, find the distance from the center of the circle to the chord.
    A 6 cm Correct Answer Incorrect Answer
    B 8 cm Correct Answer Incorrect Answer
    C 4 cm Correct Answer Incorrect Answer
    D 5 cm Correct Answer Incorrect Answer

    Solution

    Using the formula: distance = тИЪ(r┬▓ - (c/2)┬▓),┬а where r = radius and c = chord length. Distance = тИЪ(10┬▓ - (12/2)┬▓) = тИЪ(100 - 36)┬а = тИЪ64 = 8 cm

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