Triangles

This section contains 7 topics with 0 subtopics, 39 practice problems and 12 flashcards. Each topic includes comprehensive written notes, worked examples with detailed solutions, and interactive lessons for hands-on practice.

Topics Covered

• Triangle Angle Sum Theorem — The sum of angles in a triangle
• Congruent Triangles — SSS, SAS, ASA, AAS, and HL theorems
• Pythagorean Theorem — Relationships in right triangles
• Similar Triangles — AA, SAS, and SSS similarity theorems
• Special Right Triangles — 45-45-90 and 30-60-90 triangles
• Triangle Inequalities — Apply triangle inequality theorem
• Special Segments in Triangles — Medians, altitudes, and angle bisectors

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