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7th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    DIRECTIONS: Passage ? 2 Read the passage given below and answer the questions that follow A piece of wire in the form of a rectangle 9 cm long and 6 cm broad is reshaped and bent into the form of circle. Radius of the circle is

    A) 4 cm                           

    B) 8 cm

    C) 6 cm                           

    D) 4.77 cm

    Correct Answer: D

    Solution :

         \[2\pi r=30r=\frac{30\times 7}{22\times 2}=\frac{105}{22}=4.77\,cm\]


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