Rotation · rotation 2d, Turn! Reflection · reflection on graph, Flip! Translation · translation on graph, Slide! right arrow, After any of those transformations (turn, flip. Reflection Symmetry. The simplest symmetry is Reflection Symmetry (sometimes called Line Symmetry or Mirror Symmetry). It is easy to see, because one half is. Math explained in easy language, plus puzzles, games, quizzes, worksheets and a "One Turn" is a full rotation (°). See: Rotation · Geometry Rotation.