1. Find the length of the arc

The radius of the circle \(=\) 3.8 \(cm\)
 
The central angle of the sector, \(\theta\) \(=\) 60\(^\circ\)
 
\(\pi\) \(=\) \(3.14\)
 
The length of the arc of the sector \(=\)
Answer variants:
\(4.78\) \(cm\)
\(6.58\) \(cm\)
\(3.98\) \(cm\)
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