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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-5

  • question_answer
    In the adjoining figure A, B. C, D are the concyclic points. The value of \[x\]is:

    A) \[{{50}^{o}}\]                          

    B) \[{{60}^{o}}\]

    C) \[{{70}^{o}}\]            

    D)        \[{{90}^{o}}\]

    Correct Answer: A

    Solution :

                \[\angle CBF=\angle CDA\] \[\Rightarrow \]   \[\angle CDA={{130}^{o}}\]             \[\angle CDA+x={{180}^{o}}\]            (linear pair) \[\Rightarrow \]   \[x={{180}^{o}}-{{130}^{o}}\Rightarrow x={{50}^{o}}\]


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