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Math Help - Opposite Isometry

  1. #1
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    Opposite Isometry

    Which transformation is an opposite isometry?

    (1) dilation (3) rotation of 90
    (2) line reflection (4) translation

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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by magentarita View Post
    Which transformation is an opposite isometry?


    (1) dilation (3) rotation of 90
    (2) line reflection (4) translation
    That would be (1) line reflection

    This site explains it: Isometry Status of Transformations
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  3. #3
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    ok..........

    Quote Originally Posted by masters View Post
    That would be (1) line reflection



    This site explains it: Isometry Status of Transformations
    I thank you for the quick reply and for the link provided.
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