# Rotation, Geometry Math Review and Tutorial

math tutorials > rotational geometry math review

## What is rotation? A definition of math rotation

A **rotation** is the movement of a shape where every point
on the shape turns through an angle about a single point called the **centre
of rotation**.

## Example

By convention, the angle of rotation is measured in an *anticlockwise *direction.
For example, 60 degrees means a rotation 60 degrees anticlockwise, -40
degrees means a rotation of 40 degrees clockwise.

## Geometry problems for you to try.

State the positive angle of rotation of the following: