# Types of Angle Relationships This is forming four angles, or you could imagine it's forming two sets of vertical angles. So if this is the angle that you care about, it's a vertical angle, it's the one on the opposite side of the intersection. It's one of these angles that it is not adjacent to. …

Complementary Angles The Complementary Angle Relationships (A) Math Worksheet from the Geometry Worksheets Page at Math-Drills.com.

Congruent Angles The interior and exterior angles in a triangle are related to one another. The following is the description of angle relationships in Triangles. Theorem 5 (Triangle Sum Theorem) The sum of the measures of the interior angles of a triangle is equal to 180 o. Given: Let \$\Delta\$ABC be a triangle.

Supplementary Angles Pairs of Angles. When parallel lines get crossed by another line (which is called a Transversal), you can see that many angles are the same, as in this example: These angles can be made into pairs of angles which have special names.

Vertical Angles Vertical Angle Relationships (A) Welcome to The Vertical Angle Relationships (A) Math Worksheet from the Geometry Worksheets Page at Math-Drills.com. This Geometry Worksheet may be printed, downloaded or saved and used in your classroom, home school, or other educational environment to help someone learn math.