T

**tangent: a line that intersects a circle in one
point.**

**tangent: in a triangle, (the
side opposite an angle) **

(the side adjacent the same angle).

**term: a part of a sum in an algebraic expression.**

**terminating decimal: a fraction whose decimal representation
contains a finite number of **

** digits.**

**tetrahedron: a polyhedron with four faces.**

**theorem: a statement that has been proven.**

**trajectory: the path that a body makes as it moves
through space.**

**transitive property: the property that states that
if a = b, and b = c, then a = c.**

**translation: a shift of the axes of the Cartesian
Coordinate System.**

**transversal: a line that intersects two other lines.**

**trapezoid: a quadrilateral that has exactly two sides
parallel.**

**triangle: a three sided polygon.**

**trinomial: a polynomial with exactly three terms.
**