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  5. Symmetry

7th Class Mathematics Symmetry Question Bank Symmetry

  • question_answer
    A windmill has four blades and rotational symmetry of the order \[2\times K,\] Find K.

    A)  1                    

    B)  2                    

    C)  3                    

    D)  4        

    Correct Answer: B

    Solution :

    The windmill of four blades has a rotational symmetry of order 4.                         \[\therefore \]  \[2K=4\,\,\,\,\Rightarrow \,\,\,K=2\]                        


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