Answer :

Nomipar7
A linear pair is a pair of adjacent angles formed when two lines intersect. In the figure, 1 and 2 form a linear pair. So do 2 and 3, 3 and 4, and 1 and 4. The two angles of a linear pair are always supplementary, which means their measures add up to 180o.
toxicwast9001

Answer:

A) the are adjacent (two non-overlapping angles that share a common side and a common vertex)

B) their uncommon sides are opposite rays.

C) they add up to 180

Step-by-step explanation:

hope this helps!!

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