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SSC SSC CHSL TIER-I Solved Paper Held on 09.01.2017

  • question_answer
    An angle is smaller than it's supplementary by\[{{30}^{o}}\]. What is the measure of the angle?

    A) \[{{75}^{o}}\]

    B) \[~105{}^\circ \]

    C) \[~60{}^\circ \]

    D)  \[30{}^\circ \]

    Correct Answer: A

    Solution :

     The sum of supplementary angles is \[{{180}^{o}}.\] According to the question, \[180-x-x=30\] \[\Rightarrow 180-2x=30\] \[\Rightarrow \]\[2x=180-30=150\] \[x=150+2={{75}^{o}}\]


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