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Relationships in Triangles

Overview

Chapter 5 examines characteristics of triangles. Students can explore the intersection points of a triangle’s altitudes, angle bisectors, perpendicular bisectors, and medians with a variety of tools, including dynamic geometry software, applets, and interactive demonstrations. Theorems describing inequalities within triangles are presented. Indirect proofs are introduced, providing a valuable tool often used in everyday reasoning and arguments.

Activity List