Respuesta :

All triangles inner angles addition equals to 180°
So if you’re finding the x° then minus the other angles from 180°
23°+129°+x=180°
x=180°-129°-23°
x=28°
I hope this helped :)
X=28º
23+129=152
180-52=28
Triangle is 180°
ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE