Protractor
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Grad_protractor.png/200px-Grad_protractor.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Protractor_katomierz.jpg/200px-Protractor_katomierz.jpg)
The protractor is a tool used to measure angles. It usually has marks with labels of the degrees. Protractors are usually half circles or full circles.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
Wikimedia Commons has media related to Category:Protractors.
The protractor is a tool used to measure angles. It usually has marks with labels of the degrees. Protractors are usually half circles or full circles.