Watch him draw a perfect circle: You can also take your time, and use your thumb like a protractor, to draw an almost-perfect circle with a pencil, as this demonstration shows: If you want to test ...

You can use a protractor to measure and draw angles. It has a clockwise and an anti-clockwise scale. This is so that you can measure angles to the left or right. Let's have a go at using a ...

Each sector can be labelled, or can be colour coded with a key. When drawing a pie chart, a protractor will be used to draw the angles accurately. Being familiar with how to use a protractor will ...