### Theory:

What is a geometric transformation?
A definite change in a geometric shape is called a geometric transformation. The transformation could be in the form of its position, size or shape.

In the figure given above, the original figure is the pre-image, and the newly formed figure is the image.

The pre-image is denoted by $$A$$, $$B$$, $$C$$, and so on. The image is represented by $$A'$$, $$B'$$, $$C'$$ and so on.

Example:
 Pre-image Image

In the above examples, the pre-images transformed into the images of different colours.