Three worksheets on complementary angles, supplementary angles, and vertical angles. They includes introductory notes with the definitions of these types of angles. The exercises require to identify complementary, supplementary and vertical angles, find the complementary and supplementary angles of a given angle and write and solve equations to find missing complementary and supplementary angles, as well as angles on a line and angles in a circle. It includes harder exercises on this topic. Detailed solutions are included.