Geometry
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Transformational Geometry
The word "transform" means to change. In this unit, students explore changing the location of shapes by translations, reflections, and rotations. They identify which of these transformations represent an isometry (congruence transformation) and determine whether side length, angle measure, perimeter, area, and orientation are preserved in each of the three transformations. In addition, students investigate the relationship between the coordinates of a pre-image and the coordinates of its image.