question_answer

From a square sheet of paper of side 21 cm, four regions each in the form of a quadrant of circles each of radius 10.5 cm are removed as shown in the adjoining figure. Find the area of the shaded region.

A)  \[82.3\,c{{m}^{2}}\]              

B)  \[70.7\,c{{m}^{2}}\]

C)  \[94.5\,c{{m}^{2}}\]

D)  \[62.1\,c{{m}^{2}}\]

E)  None of these