Evaluate the area of the minor segment of a circle of radius \(4 \ cm\), when the angle of the correxponding sector is \(60^\circ\).
 
Area of sector \(=\)
\(cm^2\)
 
Area of triangle \(=\)
\(cm^2\)
 
Area of minor segment \(=\)
\(cm^2\)
Answer variants:
1.45
6.93
21.45
8.38
13.38
16.93