image   5 videos

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  Transformations and Isometries

  Geometry Transformations

  How to determine the types of transformations, the definition of isometry, and how to say and write a transformation's new image.

  transformation isometry figure image dilation rotation translation reflection rigid transformation prime maps
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  Translations

  Geometry Transformations

  How to describe a translation; how to interpret ordered pair rules.

  transformation translation isometry coordinates ordered pair image
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  Rotational Symmetry

  Geometry Transformations

  How to define rotational symmetry and identify the degree of rotational symmetry of common regular polygons.

  symmetry rotation point symmetry image equilateral triangle
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  Reflectional Symmetry

  Geometry Transformations

  How to identify and describe reflectional symmetry.

  symmetry figure maps isometry mirror image square equilateral triangle
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  Reflections

  Geometry Transformations

  How to describe the effect of a reflection, how to describe the effect of the ordered pair rules (x,y) -> (-x, y),(x,y) -> (x, -y), (x,y) -> (y, x).

  transformation isometry orientation image equidistant ordered pair rules map x axis y axis line y = x