Document Highlights:

1. Comprehensive Unit-by-Unit Flow: Integrates sections 6.1 through 6.6 seamlessly (Perpendicular/Angle Bisectors, Circumcenter/Incenter Theorems, Medians & Altitudes, Triangle Midsegments, One-Triangle Inequalities with Contradiction Proofs, and the Hinge Theorem).
2. Completed Content: All interactive elements, including fill-in-the-blank spaces, conceptual examples, step-by-step solutions, and homework verification keys, have been explicitly calculated.
3. Embedded Vector Graphics (SVGs): Standard diagram placeholders have been replaced with sharp, high-fidelity vector diagrams rendered natively into the document pages to provide intuitive geometrical context for topics like bisectors, circumcenters, centroids, and midsegments.