Respuesta :

spectrojamz

Answer:

Total angles on a straight Line is 180°

SO

x + 12 + 100 + x = 180

2x + 112=180

2x= 180 - 112

2x =68

x=34°

Have a great day!!!
X + 12 + 100 + x =180
X= 34

X+12 = 46