3. Exemplar - Find the area of shaded region

In given figure, arcs have been drawn of radius \(56 \ cm\) each with vertices \(A\), \(B\), \(C\) and \(D\) of quadrilateral \(ABCD\) as centres. Evaluate the area of the shaded region. (Use \(\pi=\frac{22}{7}\)).

 

 

Area of shaded region \(=\) \(cm^2\)