Respuesta :

giantsny15

Answer:

z=90

Step-by-step explanation:

Answer:

12x+11 = 47         (reason: vertical angles)

12x = 36

x = 3

12(3)+11 + w = 90                (reason: right angles)

36+ 11 + w = 90

47+w = 90

w = 43

43+z+47 = 180                 (reason: linear pair)

90+z = 180

z = 90