Question

find the unknown angles

Answer 1

f=140 degrees
e=140 degrees
c=40 degrees
d=140 degrees
b=40 degrees
a=140 degrees

Answer 2

e = 180 °- 40° (linear pair )
= 140°
f = 140° (vertically opposite angles )
g = 40°(-----"-----"------"---------"--------")
d = 140° (corresponding angles )
a = d
a= 140° (vertically opposite angles )
g = c
c= 40° corresponding angles
c =b
b= 40° vertically opposite angles

i hope it helps
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