In the figure, the square MNPQ is made up of two parts, R and S. The part, R, is formed by a semicircle and the line MN. The perimeter of R is 29 cm and the perimeter of the shaded part, S, is 85 cm.
- Find the perimeter of the square MNPQ.
- Find the area of the shaded part S. (Take π =227)