Respuesta :

1: 180-90-82=8°
2: 180-90-61= 29°
180- 82=98° (To find the third angle in the trapezium in the middle)
360-90-90-98= 82° (To find the fourth angle in the trapezium)
3: 180-82-61= 37°
4: 180-37-28= 115°
The code is FDAI