The radius of the circle \(=\) 6.6 \(cm\)
 
The central angle of the sector, \(\theta\) \(=\) 40\(^\circ\)
 
\(\pi\) \(=\) \(3.14\)
 
The length of the arc of the sector \(=\)
Answer variants:
\(2.91\) \(cm\)
\(4.61\) \(cm\)
\(7.01\) \(cm\)