Answer:
76° (alternate angles)
Step-by-step explanation:
y=76 degree(being vertically opposite angle)
y+x=180 degree(being linear pair)
76+x=180
x=180-76
x=104 degree
x=z(being vertically opposite angle)
104=z
therefore z=104 ,y=76,x=104
20 miles = 32 kilometers
64 kilometers = 40 miles