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    Question

    The angle of elevation of the top of an unfinished

    pillar at a point 150 metres from its base is 30°. The height (in metres) that the pillar must be raised so that its angle of elevation at the same point may be 45°, is (takeing √3 = 1.732)
    A 63.4 Correct Answer Incorrect Answer
    B 86.6 Correct Answer Incorrect Answer
    C 126.8 Correct Answer Incorrect Answer
    D 173.2 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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