hi plz answer this question and you will get full marks in all your exams
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here is the answer.
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<1 = <3 ( vertically opposite angles)
So, <3 = 50 degree
<1+<2 = 180 degree
= 50 + <2 = 180
= <2 = 180-50
= <2 = 130
So, <2 = 130 degree
<2 = <4 ( vertically opposite angles)
So, <4 = 130 degree
<2 = <6 ( Corresponding angles)
So, <6 = 130 degree
<6 = <8 ( vertically opposite angles)
So, <8 = 130 degree
<1 = <5 ( corresponding angles)
So, <5 = 50 degree
<5 = <7 ( vertically opposite angles)
So, <7 = 50 degree
I hope that it is helpful..
Please mark me as brainliest..
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