Understand congruence and similarity using physical models, transparencies, or geometry software.
Verify experimentally the properties of rotations, reflections, and translations: [8-G1]
Lines are taken to lines, and line segments are taken to line segments of the same length. [8-G1a]
Angles are taken to angles of the same measure. [8-G1b]
Parallel lines are taken to parallel lines. [8-G1c]