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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaShape

Reflection and rotation are forms of this property: a transformation leaves a figure unchanged.

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Your new ahaSymmetry

Symmetry: A figure remaining unchanged under a transformation such as reflection or rotation. Source: Symmetry

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More from Shapes & Space

A few more worth knowing.

  1. 23These geometric forms exhibit detail or self-similar structure at successively smaller scales; Mandelbrot helped popularize their study.RECALL
    Fractals

    Fractals repeat their pattern at every zoom level, a field named and popularized by Benoit Mandelbrot.

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  2. 24Joining a strip's ends after a half-twist creates this surface with one side and one boundary edge.RECALL
    Möbius Strip

    A Möbius strip's single twist gives it only one continuous side and a single edge.

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  3. 25This traditional Chinese puzzle rearranges seven flat pieces into silhouettes.RECALL
    Tangram

    A tangram's seven flat pieces can be rearranged into countless different silhouette shapes.

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