Rigid Transformation Vocabularies

Original figure BEFORE transformation

• Pre-Image
• Image
• Vertex
• Line of Reflection

 A transformation in which the original figure and its image are congruent.

• Image
• Isometry
• Vector
• Pre Image

The original figure prior to a transformation.

• Translation
• Image
• Vector
• Pre-Image

The action of taking an object and moving it to a different location without altering its shape or size.

• Transformation
• Rigid Motion
• Image
• Pre-Image

The resulting point or set of points under a transformation.

• Vector
• Pre-Image
• Image
• Translation

Every point of an object is moved in the same direction and for the same distance.

• Translation
• Vector
• Image
• Pre-Image

An operation that maps a geometric figure, pre-image, onto a new figure, image 

• Dilation
• Scale Factor
• Translation
• Transformation

Images/Figures that are similar in shape, but different sizes

• Congruent
• Image
• Similar

Images/Figures that have the SAME SIZE and the SAME SHAPE

• Similar
• Reflection
• Congruent
• Transformation

A transformation that SLIDES a figure from one position to another without turning

• Rotation
• Reflection
• Dilation
• Translation