Linear Pair of angles
From Latin: linearis  "belonging to a line"
Try this Drag the orange dot at M.
In the figure above, the two angles ∠JKM and
∠LKM form a linear pair. They are
supplementary because they always add to 180°
and because they are
adjacent,
the two noncommon legs form a straight line segment JKL.
Related angle topics
General
Angle Types
Angle relationships
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