Answer:
x=12°
Step-by-step explanation:
property of triangles:
4x-2=180°-30°-100°=50°
[tex]4x+2=50[/tex]
[tex]4x=50-2=48[/tex]
[tex]x=\frac{48}{4} =12^{0}[/tex]
I hope this help you
