What is the measure of 0 in radians?
Enter an exact expression.
radians
3
7
In the diagram, is a central angle.
![What is the measure of 0 in radians Enter an exact expression radians 3 7 In the diagram is a central angle class=](https://us-static.z-dn.net/files/d9d/7ba9cef910016db0b88738a1475bbf1e.png)