Things to Learn

  • Rotate a figure a given degree around a given center.
  • Understand that rotations move lines to lines, rays to rays, segments to segments, and angles to angles.
  • Understand that rotations preserve lengths of segments and degrees of measures of angles.
  • Examine how rotations move parallel lines to parallel lines.

Reflection of the plane about a line

Definition of Rotation and Basic Properties

Exercise and Practice

Rotating toward Your Next Class.