Teach the four special segments of triangles— medians, altitudes, perpendicular bisectors, and angle bisectors—with this complete geometry unit bundle designed for grades 8–12! This resource includes detailed lessons, interactive notes, hands-on GeoGebra® constructions, collaborative tasks, a full review, and differentiated assessments. Students will explore how each segment forms triangle centers— centroid, orthocenter, circumcenter, and incenter—through discovery-based learning, inquiry-d