Answer:
If angle 2 = 110 then angle 4 = 110
360 = 110 + 110 + x
Angle 1 + Angle 3 = 140
Since vertical angles are equal, then Angle 1 = 140 / 2 = 70 degrees
Explanation:
∠3+∠4= 180°
Since ∠2 ≅ ∠ 4 and ∠2= 110°
∠3= 180° - ∠4= 180° - ∠2= 180° - 110°= 70°
So proved
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