Respuesta :

Answer:

x = 11

Step-by-step explanation:

  • Vertically opposite angles are equal
  • Angles around a point add up to 360°

Therefore, [tex]15x + 15x + 15 + 15 = 360[/tex]

[tex]\implies 30x+30=360[/tex]

[tex]\implies 30x=330[/tex]

[tex]\implies x=11[/tex]