In the diagram above, ABCD is a square . The circles , whose centers lie on `bar(BD)`, are congruent to each other . The sides of the square are tangent to the outer circles at P,Q,R and S , and the circles are tangent to each other at K and L . If the radius of each circle is 1 inch. What is the area , to the nearest square inch, of the square ?

Answer

B, C