__L__

**Lateral
area ** The surface area of a solid, not including the bases.

**Lateral
edges **(of prism) Edges of a prism which are not sides of the bases

**Lateral
faces **(of prism) The faces that are not bases of the prism

**Lateral
surface ** The faces other
than the bases of a solid.

**Least
common denominator LCD ** The
least common multiple of two or more denominators.

**Least
common multiple **The smallest counting number that is a multiple of each of
two or more counting numbers

**Legs
of a right triangle ** The
two sides forming the right angle.

**Like
terms ** Terms in which only the numerical coefficients are
different.

**Line
** A figure determined by two points and extending in both
directions without end.

**Line
graph **A graph in which line segments are used to connect the points which
represent the given data

**Line
segment ** Two points on a line and all the points between them.

**Linear
equation in two variables ** An
equation with two variables that can be written in the form *ax
+ by = *c, where a and b are not both 0.

**Liter
**The unit of measure for capacity, both dry and fluid, in the metric system

**Lowest
terms **A fraction is in lowest terms when the numerator and the denominator
have no common factor but .