Respuesta :

maryjoyvillcabungcal
x= 100°
180° - 57° = 123
x + 23°= 123°
x = 100°
theno1fullback

Answer:

I am 99% sure it's [tex]x = 100[/tex]°, here's why (down)

Step-by-step explanation:

The total is 180°. When adding 57° + 23° = 80°. To get [tex]x[/tex], you have to subtract 80° from 180°. The difference is 100°, which is the answer of this problem.