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A circle with a centre \(O\) is merged with the equilateral triangle \(OAB\) having sides of 13.8 \(cm\). [Use \(\pi\\) \(=\) \(3.14\)].
Find the area of the shaded region if the radius of the circle is 3.3 \(cm\).
The area of the shaded region \(=\) \(cm^2\)
[Note: Round off the answer obtained to two decimal places if needed]
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