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SSC Sample Paper SSC CGL - Sample Paper-1

  • question_answer
    A regular polygon is inscribed in a circle. If a side subtends an angle of \[72{}^\circ \] at the centre, then the number of sides of the polygon is

    A)  5                    

    B)  7      

    C)  6                                

    D)  8

    Correct Answer: A

    Solution :

    Let number of side be n. Each equal side subtends equal angle at the centre. So, \[n\times 72=360\] \[\Rightarrow \]   \[n=\frac{360}{72}=5\]


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