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Answer:
1 = 3 ( vertically opposite)
3 = 7 ( corresponding)
7 = 5 ( vertically opposite)
1 = 5 ( corresponding)
8 = 6 ( vertically opposite)
8 = 2 ( co exterior )
7 = 1 ( co exterior)
5 = 3 ( co interior)
6 = 4 ( co interior)
so,
3 = 70°
7 = 70°
5 = 70°
7 + 8 = 180 ( Linear pair)
70 + x = 180
x = 180 - 70
x = 110°
angle 8 = 110°
6 = 110°
4 = 110°
2 = 110°
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