Respuesta :

sqdancefan

9514 1404 393

Answer:

  x = 25

Step-by-step explanation:

The marked angles are "vertical" angles, so are congruent.

  150° = (4x +50)°

  100 = 4x . . . . . . . . . . . divide by °, subtract 50

  25 = x . . . . . . . . . . divide by 4