Multiple Choice Questions on The tops of two poles of height 20 m and 14 m are connected by a wire If the wire makes an angle of ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The tops of two poles of height 20 m and 14 m are connected by a wire If the wire makes an angle of ...........

Quantitative Aptitude ( CCS) Height and Distance
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    The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, then the length of the wire is

    12m

    Correct Answer

    10m

    Incorrect Answer

    8m

    Incorrect Answer

    6m

    Incorrect Answer
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    Explanation:

    Let AB and CD be two poles
    AB = 20 m, CD = 14 m
    A and C are joined by a wire
    CE || DB and angle of elevation of A is 30°
    Let CE = DB = x and AC = L

    By: Amit Kumar
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