Respuesta :

sqdancefan

9514 1404 393

Answer:

  x = 7

Step-by-step explanation:

The sum of angle measures in a quadrilateral is 360°.

  (8x-5)° +107° +83° +119° = 360°

  8x = 56 . . . . . . . divide by °, subtract 304

  x = 7 . . . . . . . . . . divide by 8

Otras preguntas