Question

    Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

    A xy Correct Answer Incorrect Answer
    B √( y/ x) Correct Answer Incorrect Answer
    C √( x/ y) Correct Answer Incorrect Answer
    D √( xy) Correct Answer Incorrect Answer

    Solution

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