Supplementary angles add up to 180 degrees on a straight line
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Supplementary angles are any angles in which their degrees add to a sum of 180o. In the related links you will find an example of Supplementary angles.
Supplementary angles total 180 degrees. If you have one angle, subtract it from 180 to find its supplement.
Supplementary angles add up to 180 degrees on a straight line
No. All linear pair angles are supplementary, but supplementary angles do not have to be a linear pair.
Angles that are congruent and supplementary must be right angles.