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Which of the following is true about a linear pair?

The two angles must be supplementary and adjacent to form a linear pair.
The two angles must be supplementary and adjacent to form a linear pair.

Any two adjacent angles form a linear pair.
Any two adjacent angles form a linear pair.

Any two supplementary angles are a linear pair.
Any two supplementary angles are a linear pair.

Vertical angles can form a linear pair.

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richhoopes

Answer:

2

Step-by-step explanation:

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Answer: Choice A

The two angles must be supplementary and adjacent to form a linear pair.

Adjacent angles are angles that touch and share a common line segment, line, or ray. Think of two rooms that share the same wall and how they are considered adjacent rooms.

Supplementary angles form a straight angle. They add to 180 degrees.