Answer:
First of all
EFGH is a parallelogram.
angle E + angle H =180 ° (being straight angle)
40°+x =180
x=180-40
x=140°
Again
angle E + angle F =180 (being straight angle)
or, Z + 70° =180
or,z=180-70
Z=110°
Now ,
Y= 70° (being alternate angle)
so , X=140° Y= 70° Z = 110 °
