Banking Sample Paper RRB Assistant (PT) Sample Test Paper-1

  • question_answer
    If the area of a circle is\[616\,\,c{{m}^{2}}\], find its perimeter.

    A)  76 cm

    B)  84 cm

    C)  96 cm

    D)  80 cm

    E)  88 cm

    Correct Answer: E

    Solution :

    According to the question, Area of the circle\[=\pi {{r}^{2}}=616\] \[\therefore \]\[r=\sqrt{\frac{616}{\pi }}=14\] \[\therefore \]Perimeter\[=2\pi r=2\times \frac{22}{7}\times 14=88cm\]


You need to login to perform this action.
You will be redirected in 3 sec spinner