Linked from

The 14 pages that link to Angle bisector, each with the reason it gives.

• IncenterNarrower topic: The incenter is defined by the intersection of the triangle’s three internal angle bisectors.

• Inscribed angle theoremRelated: Circle problems often combine the theorem with angle-bisector constraints.

• Perpendicular bisectorCompared with: It bisects an angle rather than a segment.

• OrthocenterCompared with: It is another triangle cevian, but it bisects angles rather than meeting sides perpendicularly.

• IncircleNarrower topic: The three internal angle bisectors meet at the center of the incircle.

• Geometric constructionRelated: Its construction illustrates how auxiliary circles yield an exact geometric relation.

• Angle bisector theoremNarrower topic: The theorem is a specific consequence of a triangle's internal angle bisector.

• Straightedge and compass constructionBroader topic: Equal-radius arcs and circle intersections construct this fundamental operation.

• Triangle centersRelated: The three internal angle bisectors meet at the incenter.

• Conway circle theoremRelated: The incenter and excenters lie at intersections of triangle angle bisectors.

• Equal Incircles TheoremRelated: The triangle’s angle bisectors meet at its incenter.

• Incenter–excenter lemmaNarrower topic: The incenter and excenters are defined by intersections of angle bisectors.

• Steiner–Lehmus theoremNarrower topic: The theorem compares the lengths of two such segments inside one triangle.

• Van Schooten's theoremRelated: Angle-bisector constructions can organize the equal-angle relationships in geometric proofs.