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Supplementary adjacent angles add up to 180 degrees
Supplementary angles.
Supplementary angles are two angles whose measures add to 180 degrees. Adjacent angles are two angles that happen to lie next to each other, so that they combine to form a larger angle whose measure is the sum of the measures of the adjacent angles. Angles may be both adjacent and supplementary, in which case they will form a straight angle.
The adjacent Supplementary angles are the sum of 2 angles that make 180 degrees.
Supplementary angles add up to 180 degrees