It is: 180-143 = 37 degrees
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Supplementary angles are pairs of angles whose sum equals 180 degrees. Therefore: 37 degrees + x degrees = 180 degrees. 180 degrees - 37 degrees = x degrees = 143 degrees. The supplement of a 37 degree angle is a 143 degree angle.
122 degrees
Supplement of 65 = 180-65 = 115 degrees.
110 degrees
130 degrees