Tentukan besar sudut yg belum diketahui

a° = 180 - 70 = 110°
b° = 70°
c° = 110°
d° = 180 - 130 = 50°
e° = 130°
f° = 50°
p° = 180 - 52 = 128°
q° = 52°
r° = 128°
x° = 180 - 100 = 80°
y° = 100°
z° = 80°

kalo ada yang kurang jelas bisa tanyaa kok