Answer:
Im thinking it is 50
Step-by-step explanation:
x = 50°
The lower half of the straight horizontal line must = 180°. So 180° - 150° = 30°.
The upper half must = 180° as well. 180° - 30° - 50° = 100°
Now divide 100° by two because the angle is 2x
100° ÷ 2 = 50°
