Answer: x=50
Step-by-step explanation:
Angle of a straight line is 180 degrees
180-30-50=100
100÷2=50
Answer:
x = 50°
2x + 50° = 180° - 30°
2x + 50° = 150°
2x = 150° - 50°
2x = 100°
x = 100° : 2
