The area is that of two 20 yd squares and one 20 yd circle. .. A = 2*(20 yd)^2 +(π/4)*(20 yd)^2 .. = (2 +π/4)*(400 yd^2) .. = (800 +100π) yd^2 .. ≈ 1114.16 yd^2
The perimeter is that of a 20 yd circle and 80 yd more. .. P = π*20 yd + 80 yd .. ≈ 142.83 yd
