Answer:
50
Explanation:
∠1 + 120° = 180°(linear pair)
∠1 = 180° - 120°
∠1 = 60°
x + 70° + ∠1 = 180° (angle sum property)
x + 70° + 60° = 180°
x + 130° = 180°
x = 180° - 130°
x = 50°
hope it helps you!
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