The circumference of a circle is the distance around the circle. It is another name for the perimeter of a circle. The circumference of a circle is calculated using the formula: \(\text{circumference} ...

The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown. To do ...

Google has quietly upgraded their search calculator to not just answer your basic math questions or graphical or 3D math questions; now, it can do your geometry homework. You can ask Google geometry ...