__T__

**Tangent
of an angle ** If *LA
*is an acute angle of a right triangle, the tangent of *LA *tan A is the ratio of the length of the side opposite LA to the
length of the side adjacent to *LA.*

**Tenths
**The place value of the first numeral to the right of the decimal point in a
decimal numeral

**Terminating
decimal **A decimal numeral in which a zero digit repeats forever

**Terms
of a proportion **The numbers in a proportion.

**Terms
of an expression ** The
parts of a mathematical expression that are separated by a + sign.

the
perpendicular distance from the base to the opposite vertex.

**Transform
an equation or inequality ** ,
To rewrite an equation or inequality as an equivalent equation or
inequality.

**Translated
sentence **A mathematical problem written in English changed to a problem
containing mathematical

symbols
for the words

**Transversal
** A line that intersects two other lines.

**Trapezoid
** A quadrilateral with exactly one pair of parallel sides.

**Triangle
** A polygon with three sides.

**Trigonometric
ratios ** Any of the sine,
cosine, and tangent ratios.

**Twin
primes **Two prime numbers that differ by 2