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Answered by
1
2x+7x=180
9x=180
x=180/9
x=20
now
2x=2*20=40
7x=7*20=140
now
y=2x=40
Answered by
1
Answer:
2x+7x=180°(linear pair)
9x=180°
x=20°
2x=y(vertically opposite angle)
20°*2=y
40°=y
hope it will help you.
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