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 Related Terms
 Supplementary Angles:  Supplementary angles are two angles whose sum is 180 degrees.
Linear Pair: Two adjacent angles that form a straight line.
Angle: Region between two rays or the amount of rotation about a fixed point.
Complementary Angles: Complementary angles are two angles whose sum is 90 degrees.
Corresponding Angles: Angles that have the same relative positions in geometric figures.