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    Question

    From a point 13 cm away from the center, a tangent

    touches a circle of radius 5 cm. Find tangent length.
    A 18 cm Correct Answer Incorrect Answer
    B 12 cm Correct Answer Incorrect Answer
    C 10 cm Correct Answer Incorrect Answer
    D 20 cm Correct Answer Incorrect Answer

    Solution

    ATQ, l = тИЪ(13┬▓ тАУ 5┬▓) = тИЪ(169 тАУ 25) = тИЪ144 = 12 cm.

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