Index T...

tan	Properties of a Right Triangle
tangential quadrilateral	Tangential Quadrilateral
tetragon	Quadrilateral - General Definitions
tetrahedron	Tetrahedron
	Platonic Solids - Regular Polyhedra
Thales' theorem	Thales' Theorem
theorem of Cavalieri	General Rules for 3D Solids
translation	Coordinate Transform
	3D Translation with Homogeneous Coordinates
trapezoid	Trapezoid
triangle	Pythagorean Theorem
	Properties of a Right Triangle
	Mollweide's Formulas
	Median and Centroid of a Triangle
	Law of Cosines, Sines and Tangents
	Isosceles Triangle
	Half Angle Relations in a Triangle
	Generalized Pythagorean Theorem
	Excircle of a Triangle
	Equilateral Triangle
	Construction of a Triangle
	Circumcircle of a Triangle
	Area of a Triangle
	Properties of Arbitrary Triangles
	Relations between Angles and Sides in Triangles
	Relations between Angles in Triangles
	Incircle and Angle Bisectors of a Triangle
	Altitudes of a Triangle
	Triangle - General Definitions
	Thales' Theorem
	Congruent and Similar Triangles
	Congruence Transformation
triangle inequality	Relations between Angles and Sides in Triangles