Geometry 4 Angle Relationships teaches students to identify and know the properties of vertical, complementary, supplementary and adjacent angles. They will be able to use this knowledge to solve unknown angles. In addition, students will be able to use equations and the knowledge of these angles to solve unknown angles. The appropriate vocabulary is introduced and tested. Students are shown in step-by-step demonstrations how to do the problems and then have the opportunity to show what they learned through guided practice. The lesson meets the Common Core Standard 7.G. 5.