Respuesta :

Leora03

Answer:

x= 104

Step-by-step explanation:

The sum of the angles on a straight line is 180°.

72° +(x +4)°= 180° (adj. ∠s on a str. line)

(x +4)°= 180° -72°

(x +4)°= 108°

x +4= 108

x= 108 -4

x= 104