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Let us look at the figure and the data given below and answer the question that follows.
The given figure consists of two concentric circles with the centre \(O\).
Also, the inner radius \(=\) 13.6 \(cm\) and the outer radius \(=\) 27.2 \(cm\).
[Use \(\pi\) \(=\) \(3.14\)]
The area of the region ACDB\(=\) \(cm^2\)
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