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7th Class Mathematics Sample Paper Mathematics Sample Paper - 5

  • question_answer
    What letters of the English alphabet have reflection symmetry (i.e., symmetry related to mirror reflection) about it.
    (a) A vertical mirror.
    (b) A horizontal mirror.
    (c) Both horizontal and vertical mirrors.

    Answer:

    (a) The English alphabet letters having reflectional symmetry about a vertical mirror are
    A, H, I, M,O, T, U, V, W, X, Y                                                                                                               
    (b) The English alphabet having reflectional symmetry about a horizontal mirror are
    B, C, D, E, H, I, O and X                                                                                                                       
    (c) The English alphabet having reflectional symmetry about both horizontal and vertical mirrors are
    H, I, O and X                  


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