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    Question

    A shadow of a tower standing on level ground is found to

    be 40√3 meters longer when the Sun's altitude is 30° than when it is 60°. The height of the tower is:
    A 50 m Correct Answer Incorrect Answer
    B 60 m Correct Answer Incorrect Answer
    C 70 m Correct Answer Incorrect Answer
    D 40 m Correct Answer Incorrect Answer

    Solution

    ATQ, Let the height of the tower be h . The difference in shadow lengths is given as 40√3 : Solving this gives:

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