Multiple Choice Questions on A pole is standing erect on the ground which is horizontal The tip of the pole is tied tight with a ........... for CDS Exam Preparation

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Multiple Choice Questions

A pole is standing erect on the ground which is horizontal The tip of the pole is tied tight with a ...........

Quantitative Aptitude (CDS) Coordinate Geometry
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    A pole is standing erect on the ground which is horizontal. The tip of the pole is tied tight with a rope of length √12 m to a point on the ground. If the rope is

    making 30° with the horizontal, then the height of the pole is

    2 √3m

    Incorrect Answer

    3√2m

    Incorrect Answer

     3 m

    Incorrect Answer

     √3 m

    Correct Answer
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    Explanation:

    In ΔPAB
    sin 30° =AB/AP

    => 1/2=AB/√12
    => AB = √12/2=2√3/2
    AB = √3m.

    By: Munesh Kumari
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