Geometry section of

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* calculator link
See "REFRESHERS" at the bottom of this page for a Review of Transformations.
Transformations as Functions (transformation machine, notation)
Symmetry in Geometry (line, point and rotational symmetry)
Rigid Transformations - Isometries (more details about reflections, translations, rotations)
Compositions (Sequences) of Transformations (notation, renaming, double reflections, glide)


REFRESHERS: (while these topics are mostly "review", you may also find new information here)
Transformations - Symmetry (intuitive, line, plane, point, rotational)
Transformations - Reflections (intuitive, in a line, in a point, on coordinate axes)
Transformations - Translations (intuitive, on coordinate axes)
Transformations - Dilations (intuitive, similarity, on coordinate axes)
Transformations - Rotations (intuitive, on coordinate axes)

Practice with Transformations (intuitive and non-grid)