2. Questions Bank
  3. 10th Class
  4. Mathematics
  5. Areas Related to Circles

10th Class Mathematics Areas Related to Circles Question Bank Area of Circle

  • question_answer
    A wire in the form of a circle of radius 42 cm is cut and again bent to form a square. What is the diagonal of the square?

    A)  \[66\text{ }cm\]                        

    B)  \[66\sqrt{3}\,cm\]       

    C)  \[66\sqrt{2}\,cm\]         

    D)  None of these

    Correct Answer: C

    Solution :

    (c): \[r=42\] \[\therefore \] \[2\pi r=264=4a\Rightarrow a=66\] \[d=a\sqrt{2}=66\sqrt{2}\]        


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