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SSC Sample Paper Mock Test-11 SSC CGL Tear-II Paper-1

  • question_answer
    In a circle of radius 42 cm, an arc subtends an angle of \[72{}^\circ \]at the centre. The length of the arc is

    A) 52.8 cm

    B)  53.8 cm

    C)  72.8 cm

    D)  79.8 cm

    Correct Answer: A

    Solution :

    Length of the arc \[=\frac{2\pi r\theta }{360{}^\circ }\,\,\text{cm}\] \[=\frac{2\times 22\times 42\times 72}{7\times 360{}^\circ }=52.8\,\,\text{cm}\]


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