Erayada ka bilowda xarafka T ee Xisaabta
- Triangle, acute: Saddex-xagal fiiqan
- Triangle, equiangular: Saddex-xagal xaglo le’ege
- Triangle, inscribed: Saddex-xagal dhexmeersan
- Triangle, isosceles: Saddex-xagal labaale ah
- Triangle, obtuse: Saddex-xagal xagal furan
- Triangle, right angled: Saddex-xagal qumman
- Triangle, scalene: Saddex-xagal isma le’ege
- Triangles, congruent: Saddex-xagallo isku sargo’an
- Triangles, similar: Saddex-xagallo isu eg
- Trigonometry: Tirignoometeri
- Trigonometry, plane: Tirignoometeri sallax
- Trigonometry, spherical: Tirignoometeri kubbadeed
- Trihedral angle: Xagal saddex sallax
- Trinomial: Saddex tibxaale
- Trinomial square, perfect: Saddex tibxaale dhan
- Triple root of an equation: Saddex xidid isle’egeed
- Trisection: Saddex-qayb
- Trivial: Basiid/Macne yar
- Non-trivial solution: Furfuris basiid ah
- Truncated: Lajare
- Truth table: Tuse rumaad
- Truth value: Qiime rumeed
- Turning point: Bar noqod
- Two-dimensional: Labo aaddimaale
- Table: Tuse
- Tabular: Tusayn
- Tabulate: Tusegalin
- Tangency: Taabasho
- Tangency, point of: Barta taabashada
- Tangent: Taanjant
- Tangent curve: Xood taabta
- Tangent line: Xarriiq taabta
- Tangent plane: Sallax taabta
- Tautology: Dhab-ood/Run-ood
- Term, constant (absolute): Tibix madoorsoome
- Term, algebraic: Tibix aljabreed
- Term, exponential: Tibix jibbaarro
- Term, general: Tibix guud
- Terms, like: Tibxo isu eg
- Tetrahedron: Adke afar salxaale ah
- Tetrahedron, regular: Adke afar salxaale qaabsan
- Theorem: Aragtiin
- Theory: Aragti
- Theory, number: Aragti tiro
- Three-dimensional: Saddex aaddimaale
- Three-dimensional geometry: Joomateri saddex aaddimaale
- Topology: Tobooloji
- Tracing: Raadgurid
- Trace, curve: Xood raadgurid
- Trajectory: Xood gantaal
- Transcendental: Ka sarraysa garashada
- Transcendental functions: Fansaaro ka sarreeya garashada
- Transcendental number: Tiro ka sarraysa caqliga
- Transcendental term: Tibix ka sarraysa garashada
- Transformation: Doorsoon
- Transformation, identical: Doorsoo asal sug
- Transformation, inverse: Doorsoon weydaar
- Transformation, linear: Doorsoon toosan
- Transformation, symmetric: Doorsoon wanqarsan
- Transitive: Gudbe
- Transitive relation: Xiriir gudbe
- Transitivity: Gudbid
- Translation: Rarid
- Transpose of a matrix: Melmel taxane
- Transversal: Gudbane wadaajiye
- Trapezium: Koor
- Trapezoid: Koor-eke
- Trapezoid, isosceles: Koor labaaley
- Triangle: Saddex-xagal