10th Class Mathematics Areas Related to Circles Question Bank MCQs - Areas Related to Circles

  • question_answer
    If the sum of the circumferences of two circles with diameters\[{{d}_{1}}\]and\[{{d}_{2}}\] is equal to the circumference of a circle of diameter d, then

    A) \[d_{1}^{2}+d_{2}^{2}={{d}^{2}}\]

    B) \[{{d}_{1}}+{{d}_{2}}=d\]

    C) \[{{d}_{1}}+{{d}_{2}}>d\]

    D) \[{{d}_{1}}+{{d}_{2}}<d\]

    Correct Answer: B

    Solution :

    [b] \[\pi {{d}_{1}}+\pi {{d}_{2}}=\pi d\] \[{{d}_{1}}+{{d}_{2}}=d\]


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