Find the radius of a circle in which an arc of `37.4` cm subtends an angle of `60^(@)` at the center.

Explanation

To find the radius of a circle in which an arc of 37.4 cm 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. **Identify the formula**: The formula for the length of an arc (l) is given by:
\[ l = r \theta \]
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