help geometry

r=$\frac2{2\pi}=\frac1\pi$

c=r^2=$\frac1{\pi^2}$

c/2=$\frac1{2\pi^2}$

oops your grammer was wrong so i got confused just multiply by 4 and you get $\frac2{\pi^2}$

The area would be TWO complete circles' area + the area of the square

   cirlcel area = pi (d/2)^2               square area = side * side

 You should be able to take it from here .......