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Discussion :: GATE Civil

  1. The horizontal distance between two stations P and Q is 100 m. The vertical angles from P and Q to the top of a vertical tower at T are 3o and 5o above horizontal, respectively. The vertical angles from P and Q to the base of the tower are 0.1o and 0.5o below horizontal, respectively. Stations P, Q and the tower are in the same vertical plane with P and Q being on the same side of T. Neglecting earth's curvature and atmospheric refraction, the height (in m) of the tower is
    2. A.
    6.972
    B.
    12.387
    C.
    12.540
    D.
    128.745

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    Answer : Option B

    Explanation :

    -NA-

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