Geometry: Concepts ߢApplications, ©2004 covers all geometry concepts using an informal approach. The Student Edition maintains algebra 1 content throughout and every concept is connected to real-world applications. Plus, teachers have the option to cover geometric proofs in Chapter 15.  Geometry: Concepts ߢApplications uses a clean lesson design with many detailed examples and straightforward narration that make geometry topics inviting and geometry content understandable.