Khan Academy Static

Two figures are congruent if you can go from one to another through some combination of translations, reflections and rotations. In this tutorial, we'll really internalize this by working through the actual transformations.

7399_Determining_mappings_incl_dilations_.html

7396_Congruent_shapes_transformations.html

7398_Performing_sequences_of_transformations.html

7397_Non_congruent_shapes_transformations.html