Radius
Definition

A radius is a line segment from the centre of a circle to any location on the circle.


Sometimes the word radius refers to the length of a line segment from the centre of a circle to any location on the circle.

Video does not play in this browser or device. Please try another device or upgrade your browser.
Real World Examples
ImageGallery_Filename:01-0021.jpg http://www.clipart.com_Filename:23379663.jpg http://www.clipart.com_Filename:22590291.jpg
Demonstration
Image only

Instructions text as in global.js
Your browser does not support the canvas element.