Answer:
10°, 30°, 50°
Step-by-step explanation:
the exterior angle is x°
adj interior angle is 2x°
interior angle is y[tex]\geq[/tex]2x
so, x+y=180
y=180-x
180-x[tex]\geq[/tex]2x
3x[tex]\leq[/tex]180
x[tex]\leq[/tex]60
{ x is less or equal than 60° }