Two sectors of a circle of radius 12 overlap as shown. Determine the area of the shaded region.
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\(A=2\cdot (\frac{\pi r^2}{4}-\frac{r^2}{2})\\ A=2\cdot (\frac{\pi \cdot 12^2}{4}-\frac{12^2}{2})\)
\(A=82.195\ cm^2\)
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