Question

I’m not sure how to do this question

Answer 1

x = 50°

Explanation:

2x + 50° = 180° - 30°

2x + 50° = 150°

2x = 150° - 50°

2x = 100°

x = 100° : 2

x = 50°

Answer 2

Answer: x=50

Explanation:

Angle of a straight line is 180 degrees

180-30-50=100

100÷2=50