Unit 2 Geometry Vocabulary

Front

Rigid motions

Back

Transformations that preserve size and shape.

Front

Reflection

Back

A rigid motion that produces a mirror image of a figure.

Front

Rotation

Back

A rigid motion that turns a figure around a center point.

Front

Transformation function

Back

A rule that takes an input and transforms it to produce an output.

Front

Pre-image

Back

The original figure before transformation, the inputs.

Front

Congruent figures

Back

Figures that can map on top of one another after a sequence of rigid motions.

Front

What is an image?

Back

The resulting figure after it is transformed, the outputs.

Front

Translation

Back

A rigid motion that shifts or moves a figure.

Front

Isometry

Back

Another name for rigid motion, preserving size and shape.

Front

Composite transformation

Back

A sequence of two or more transformations on a pre-image.