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Need help with this question

Need help with this question-example-1
User Vashtee
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1 Answer

7 votes

Answer:

1 and 3, 2 and 4

Explanation:

Supplementary angles total to 180° or should form a straight line. 1 and 3, 2 and 4 are vertical angles which equal one another and are not supplementary.

User Oisyn
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