Linked from

The 12 pages that link to Angle trisection, each with the reason it gives.

• IncenterCompared with: Unlike angle bisection, the incenter requires no trisection; two bisectors suffice.

• Ancient Greek mathematicsBroader topic: Greek attempts produced ingenious curves, while the standard construction tools cannot solve it in general.

• Angle bisectorCompared with: Unlike bisection, trisection cannot always be achieved with classical construction tools.

• Geometric constructionRelated: Its impossibility with classical tools reveals a sharp limit of construction.

• Doubling the cubeCompared with: It shares the cubic-degree obstruction and becomes possible with several expanded construction methods.

• Constructible numberBroader topic: Generic angle trisection requires solving a cubic that quadratic construction steps cannot generally solve.

• Straightedge and compass constructionRelated: Its general impossibility is a famous limit of straightedge-and-compass construction.

• François VièteRelated: Viète’s algebraic methods contributed to solving classical construction problems such as trisection.

• Gauss–Wantzel theoremCompared with: Its general impossibility contrasts with the theorem's positive criterion for particular regular polygons.

• Morley's trisector theoremNarrower topic: Each vertex angle is divided into thirds before adjacent trisectors intersect.

• Mohr–Mascheroni theoremCompared with: The theorem preserves the classical limits: compass alone does not make every angle trisection possible.

• PandrosionCompared with: It is another famous construction problem requiring methods beyond straightedge and compass in the general case.