Question

таблица 1, номера 2 и 6

Answer 1

2. mk + kn = 180°
8kn + kn = 180°
9kn = 180°
kn = 20°
mk = 180° - 20° = 160°

6. MKP = 180° - 40° = 140°
PKS = SKN = 40°/2 = 20°
140° + 20° = 160°