2.2 Reflections and Rotations Flashcards
Center of rotation
The point around which a figure is rotated.
Line of reflection
The line over which a pre-image is reflected to create a new image.
Reflection
A type of transformation in which one figure is a direct mirror of another.
Rotation:
A transformation that turns a figure a given angle and direction around a fixed point.
Rigid transformation:
Moving a shape so that it is in a new location but has the same size, shape, and area.
two types of transformations
Reflections and rotations
Rotations are when an image is ______, or turned around a center of rotation.
spun
A ___________ occurs when a figure is mirrored over a line of reflection to create an exact duplicate.
reflection