How many radians in a full circle?
How many radians are there in a full circle can be re-written as:
How many `57.296^@` are there in a full circle?
To work this out
Another way that this can be expressed is
Circumference`=2pi` radians (radius lengths)
1. The arc of a semi-circle would be ½ of this
2. A quarter of the arc of a circle would be a ¼ of `2pi` radians
Any part of a circle can be expressed in terms of radians (or parts of `57.269^@`)