Supplementary angles form a straight line. In other words, if you were to use the figure of a circle with a sum of 360 degrees as an example, two supplementary angles add up to 180 degrees to form ...

Supplementary angles are adjacent angles which add up to 180 degrees ... However, there is no rule stating that adjacent angles have to fit into those three categories. These examples of adjacent ...

Two congruent angles are simply pairs of angles with equal measures. You can find congruent angles examples in hundreds of everyday objects.