7.G.5+-+Identifying+angle+relationships

Video - How to identify angle relationships. Supplementary Angles The sum of two or more angles that equals 180 degrees. They do not have to be adjacent!



Complementary Angles The sum of two or more angles that equals 90 degrees. They do not have to be adjacent!



Adjacent Angles Angles that share a vertex and a ray.



Vertical Angles A pair of non-adjacent angles formed by the intersection of two straight lines.