In the figure, the square HJKL is made up of two parts, M and N. The part, M, is formed by a semicircle and the line HJ. The perimeter of M is 32 cm and the perimeter of the shaded part, N, is 60 cm.
- Find the perimeter of the square HJKL.
- Find the area of the shaded part N. (Take π =227)