In given figure, from a rectangular region ABCD with AB = 20 cm, a right triangle AED with AE = 9 cm and DE = 12 cm, is cut off. On the other end, taking BC as diameter, a semicircle is added on outside the region. Find the area of the shaded region. (Use
π=22/7)
![973843_8129b0620af148dc896fea005f80bf38.png](https://search-static.byjusweb.com/question-images/toppr_ext/questions/973843_8129b0620af148dc896fea005f80bf38.png)