Multiple Choice Questions on If angles of a triangle are in the ratio of 2 3 4 then the measure of the smallest angleis ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

If angles of a triangle are in the ratio of 2 3 4 then the measure of the smallest angleis ........

Quantitative Aptitude (CGL) Ratio, Proportion
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    If angles of a triangle are in the ratio of 2 : 3 : 4, then the measure of the smallest angleis:

    This questions was previously asked in
    SSC CGL 5th March 2020 Shift-3
    View All ssc Previous Year Papers

    50o

    Incorrect Answer

    30o

    Incorrect Answer

    40o

    Correct Answer

    20o

    Incorrect Answer
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    Explanation:

    Ratio of angles = 2 : 3 : 4
    Let the angles be 2x, 3x and 4x.
    We know the sum of the angles of a triangle is 180o .
    2x + 3x + 4x = 180o
    x = 180/9 = 20o
    Smallest angle = 2x = 2x20 =40o

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