Question

answer fast this question?​

Answer 1

Answer: a) 100

              b) 120

Step-by-step explanation:

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Answer 2

Answer:

a) x + 70° + 30° + 130° = 360°

x + 230° = 360°

x = 360° - 230°

x = 130°

b) x + 120° + 30° + 90° = 360°

x + 240° = 360°

x = 360° - 240°

x = 120°