Задание 1.
а) < ABC = 40°
б) < MNK = 105°
в) < XYZ = 140°
г) < XYZ = 20°
Задание 2.
< AOB = 180°
< AOD = 50°
< BOC = 36°
< BOE = 90°
< AOK = 125°
< DOE = 40°
< KOC = 20°
< COD = 94°
