In the figure, the square NPQR is made up of two parts, S and T. The part, S, is formed by a semicircle and the line NP. The perimeter of S is 48 cm and the perimeter of the shaded part, T, is 76 cm.
- Find the perimeter of the square NPQR.
- Find the area of the shaded part T. (Take π =227)