Unit A: Geometry

Chapter 2: Transformations

Summary

Types of Transformations

A transformation is the movement of an object by changing its position, size, and/or shape. There are four different types of transformations.

• A dilation is the change in size of a shape or object.
  
• A translation is the horizontal and/or vertical movement of a shape or object.
  
• A reflection is a transformation that creates a mirror image of the original shape or object.
  
• A rotation is the movement of a shape or object about a fixed point.

Two transformations can be applied to shape or object, which results in a large variety of images that can be produced.