A circle with a centre \(O\) is merged with the equilateral triangle \(OAB\) having sides of 9.7 \(cm\). [Use \(\pi \) \(=\) \(3.14\)].
 
17.svg
 
Find the area of the shaded region if the radius of the circle is 6.8 \(cm\).
 
The area of minor sector \(=\)
\(cm^2\)
 
The area of major sector \(=\)
\(cm^2\)
 
The area of an equilateral triangle \(=\)
\(cm^2\)
 
The area of the shaded region \(=\)
 \(cm^2\)
 
Answer variants:
137.15
142.15
40.46
120.94
24.25