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7th Class Mathematics Symmetry Question Bank Symmetry

  • question_answer
    A figure looks exactly the same as its original position after a \[60{}^\circ \] rotation about its centre. At which other angle does this repeat?

    A)  \[60{}^\circ \]                      

    B)  \[120{}^\circ \]

    C)  \[270{}^\circ \]                    

    D)  \[45{}^\circ \]

    Correct Answer: B

    Solution :

    (b): The repeat will occur at \[60{}^\circ ,120{}^\circ ,180{}^\circ ,\]\[240{}^\circ ,300{}^\circ \] and \[360{}^\circ \] (6 fold rotational symmetry).


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