SSC Sample Paper SSC CGL - Sample Paper-2

  • question_answer
    A semi-circular shaped window has diameter of 63 cm. Its perimeter equals \[\left( \text{use}\,\,\pi =\frac{22}{7} \right)\]

    A)  99 cm 

    B)  162 cm

    C)  198 cm            

    D)  251 cm

    Correct Answer: A

    Solution :

    \[\because \] \[d=63\,cm\] Semi-circular shaped window's circumference             \[=\frac{1}{2}\pi d\]             \[=\frac{1}{2}\times \frac{22}{7}\times 63\]             \[=99\,cm\]

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