Front

Angle formed by rays from center of rotation to a point and its image.

Back

Angle of Rotation

Front

Fixed point in rotation

Back

Center of Rotation

Front

Combination of two or more transformations to form a single transformation

Back

Composition of Transformations

Front

Geometric figures with the same size and shape

Back

Congruent figures

Front

Transformation preserving length & angle

Back

Rigid Motion

Front

Starting point of a vector

Back

Initial Point

Front

A figure resulting from the transformation of a geometric figure.

Back

Image

Front

Figure mapped onto itself by reflection in a line.

Back

Line Symmetry

Front

Line that acts as a mirror for reflection

Back

Line of Reflection

Front

Original figure before transformation

Back

Pre-Image