Answer:
it's answer is 22°
Step-by-step explanation:
Here we can see it is a triangle so sum of all sides of triangle is 180°
Let the missing angle be x
x + 120° + 38° = 180°
x + 158° = 180°
x = 180° - 158°
x = 22°
180 - 120 - 30
answer: 22
