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    Question

    Two circles are externally tangent to each other. The

    first circle, centered at X, has a radius of 8 cm, while the second circle, centered at Y, has a radius of 5 cm. Determine the length of their common tangent MN.
    A 5√2 Correct Answer Incorrect Answer
    B 4√10 Correct Answer Incorrect Answer
    C 12√3 Correct Answer Incorrect Answer
    D 18√3 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ; Image Image

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