Respuesta :

Answer:

[tex]x=140[/tex]

Step-by-step explanation:

Do not get grounded.

An angle at a point is 360°.

So, [tex]x+120+70+30=360[/tex]

[tex]x+220=360[/tex]

[tex]x=140[/tex]

Remember this All the angles around a point when added gives a 360° !

Thus,

30+ X +70+120 = 360

=> X + 220 = 360

=> X = 140°