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Answer variants:
12.9
10.9
9.7
10.7
In the given figure, \(DACB\) is a quadrant of a circle with centre '\(O\)' and radius 4.6 \(cm\). If \(OD = \)3 \(cm\), find the area of the region. [Use \(\pi = \frac{22}{7}\)]
The area of the shaded region \(=\) \(cm^2\).
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