1. Properties of Rotations

2. Warm Up

3. Like the other rigid transformations, rotation preserves congruence and, like reflections, can change orientation.
They rotate figures 90°, 180°, and 270°, clockwise and counterclockwise.
Rotations preserve size and shape, but change orientation.

4. A transformation is a function that describes a change in the position, size, or shape of a figure, and a rotation is a type of transformation. The measures of the figure’s sides and angles do not ever change in a rotation. In most rotations, the figure’s position and orientation change.

5. A rotation is a mathematical model of the motion of turning
A rotation is a mathematical model of the motion of turning. It is a transformation. To rotate a figure you must be given or know three things: the center of rotation, the magnitude (number of degrees), and direction (clockwise or counterclockwise) of the rotation.

8. Exit Ticket