Question

    Find the length of the arc of the sector of a circle of

    diameter 7 cm with a central angle of 108°. [Use п = 22/7]
    A 6.6 cm Correct Answer Incorrect Answer
    B 5.6 cm Correct Answer Incorrect Answer
    C 13.2 cm Correct Answer Incorrect Answer
    D 11.2 cm Correct Answer Incorrect Answer

    Solution

    Length of arc = 108° /360° x 2 x 22/7 x 7/2 =2 x 11 x 108°/360° =2 x 11 x 12/40 = 11 x 3/5 33/5 = 6.6 cm The correct answer is 6.6 cm

    Practice Next

    Relevant for Exams: