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1 vote
Someone please help me , it's not the 1st one , I tried that

Someone please help me , it's not the 1st one , I tried that-example-1
User Vintana
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2 Answers

6 votes
Those are "corresponding angles." I'd suggest you list these terms: corresponding angles, adjacent angles, vertical angles (at minimum) and learn how to recognize them.
User DaveGreen
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4 votes
They are corresponding angles because they are in the same spot on either side of the parallel lines.
User Lazlow
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