A piece of wire 20 cm long is bent into the from of an arc of a circle, subtending an angle of `60^(@)` at its centre. Find the radius of the circle.

Explanation

To find the radius of the circle formed by bending a 20 cm long wire into an arc that subtends an angle of 60 degrees at the center, we can use the formula for the length of an arc.

### Step-by-Step Solution:

1. **Understand the Formula for Arc Length**:
The length of an arc (L) is given by the formula:
\[
L = \frac{\theta}{360} \times 2\pi r
...