topic: transformations(translation , rotation , reflection)

learning objectives:

1.students will be able to distinguish 3 different types of transformations.

2. students will be able to discover the common properties of the 3 types of

transformations: they all preserve length of segments and degrees of angles.

3. students will be able to know that only translation preserves orientation.


Verify experimentally the properties of rotations , reflections, and translations:

  1. Lines are taken to lines, and line segments to line segments of the same length.
  2. Angles are taken to angles of the same measure.
  3. Parallel lines are taken to parallel lines

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