Multiple Choice Questions on The top of a hill observed from the top and bottom of a building of height h is at angles of elevati........... for NDA Exam Preparation

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Multiple Choice Questions

The top of a hill observed from the top and bottom of a building of height h is at angles of elevati...........

Mathematics (NDA) Coordinate Geometry
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    The top of a hill observed from the top and bottom of a building of height h is at angles of elevation \pi\6 and \pi\3 respectively. What is the height of the

    hill?

    2h

    Incorrect Answer

    3h/2

    Correct Answer

    h

    Incorrect Answer

    h/2

    Incorrect Answer
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    Explanation:

    \beta=\frac{H}{tan\frac{\pi}{3}}=\frac{H-h}{tan\frac{\pi}{6}}
    =>\frac{H}{3}=H-h =>\frac{2}{3}H=h
    =>H=\frac{3}{2}h

    By: Munesh Kumari
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