Geometry · Transformations
Rotation
HSG-CO.A.5
Definition
A transformation that turns a figure about a fixed point by a given angle.
Examples
- Turning a figure 90 degrees about center point C is a rotation.
- A full rotation of 360 degrees returns a figure to its starting position.
Key rule
A rotation is defined by its center point, angle, and direction.
Memory hook
Turn it around a fixed point.