Linked from

The 16 pages that link to Triangle geometry, each with the reason it gives.

• Euler lineNarrower topic: The Euler line belongs to this tradition of studying linked triangle centers.

• Nine-point circleNarrower topic: The nine-point circle is a central object in the modern study of triangle centers.

• Simson lineNarrower topic: The Simson line became a standard object in classical triangle geometry.

• Feuerbach's theoremNarrower topic: Feuerbach's result belongs to the classical study of triangle centers and circles.

• Hadwiger–Finsler inequalityNarrower topic: The inequality is a reusable estimate within this broader subject.

• Pedoe's inequalityNarrower topic: Pedoe's inequality is one result in the broader tradition of triangle geometry.

• Bottema's theoremNarrower topic: Bottema’s theorem is one result within this established subject.

• Conway circle theoremNarrower topic: The theorem belongs to the broader tradition of discovering invariant configurations in triangles.

• Droz-Farny line theoremNarrower topic: The theorem belongs to its classical body of results.

• Lester's theoremNarrower topic: Lester’s theorem is a notable concyclicity result within this subject.

• Pompeiu's theoremNarrower topic: Pompeiu's theorem belongs to the geometry of triangle vertices and distances.

• Reuschle's theoremNarrower topic: Reuschle’s theorem belongs to this field.

• Van Lamoen circleNarrower topic: The Van Lamoen circle belongs to the modern study of named triangle configurations.