Respuesta :

timo86

Answer:

30,5°

Step-by-step explanation:

∠ACB = 180° - 110° = 70°

We know that in triangle the sum of all angles is 180°

Making the equation

(x + 4) + 3x + 70 = 180

4x = 180 - 70 - 4

4x = 106

x = 26,5

Finding the angle

∠ABC = x + 4 = 26,5 + 4 = 30,5

make me the brainliest