# Working with geometry

The flash.geom package contains classes that define geometric objects such as
points, rectangles, and transformation matrixes. You use these classes to define
the properties of objects that are used in other classes.

- [Basics of geometry](./basics-of-geometry.md)
- [Using Point objects](./using-point-objects.md)
- [Using Rectangle objects](./using-rectangle-objects.md)
- [Using Matrix objects](./using-matrix-objects.md)
- [Geometry example: Applying a matrix transformation to a display object](./geometry-example-applying-a-matrix-transformation-to-a-display-object.md)

More Help Topics

![](../../img/flashplatformLinkIndicator.png)
[flash.geom package](https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/geom/package-detail.html)
