Multiple Choice Questions on The angle of elevation of the top of a building and the top of the chimney on the roof of the build........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The angle of elevation of the top of a building and the top of the chimney on the roof of the build...........

Quantitative Aptitude ( CCS) Trignometry
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    The angle of elevation of the top of a building and the top of the chimney on the roof of the building from a point on the ground are x° and 45° respectively. The height of building is h metre. Then the height of the chimney (in metre) is :
    h cot x + h
    Incorrect Answer
    h cot x – h
    Correct Answer

    h tan x – h

    Incorrect Answer

    h tan x + h 

    Incorrect Answer
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    Explanation:

    Given, the height of the building, BD = h metre
    Let, the height of the chimney, AD = x metre
    and, BC = a metre
    ∴  AB = BD + AD = (h + x) m
    In ΔABC,

    By: Amit Kumar
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