I want a expert or someone that can tell me this %100 I’m offering a brainalist + 20 points

asked Jun 23, 2022 72.0k views

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The answer is A. Supplementary angles add up to 180 and are a straight line

Robert Kluin answered Jun 25, 2022

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Answer:

The answer is A

Explanation:

Supplementary angles are angles which add up to 180°

∠1 and ∠3 add up to 180°, so they are supplementary.

GusSL answered Jun 27, 2022

by GusSL

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