Respuesta :

Answer:

x = 115°

Explanation:

  • x + 81° + 164° = 360°
  • x + 245° = 360°
  • x = 360° - 245°
  • x = 115°

Answer:

x=115°

Step-by-step explanation:

whole thing is supposed to = 360° so

164+81+x=360

245+x=360

x=115