That's these two. Second, angles on a straight line add up to 180 degrees. Using these two rules it's possible to prove that angles in a triangle add up to 180 Back to the bridge. To start ...

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

Supplementary angles are simple to identify visually because because they will all intersect at a line segment which cuts straight across ... These examples of adjacent angles will add up to values ...