9514 1404 393
Answer:
1, 2: Vertical
5, 6: Adjacent
Explanation:
Vertical angles are formed from opposite rays and share a vertex. Angles 1 and 2 are vertical angles.
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Adjacent angles share a vertex and have one ray shared between them. Angles 5 and 6 are adjacent angles.
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Additional comment
In a polygon, interior angles that share a side of the polygon are also called adjacent angles..