Answer:
x = 70°
Step-by-step explanation:
Since in triangle ABC (Check the image)
=> AB = AC
Therefore, ∠B = ∠C
From Angle Sum property of a triangle,
=> ∠A + ∠B + ∠C = 180°
=> x + 55 + 55 = 180
=> x +110 = 180
=> x = 70°
Hope you've understood the solution.
