# Definition:Right Circular Cone/Generatrix

## Definition

Let $K$ be a right circular cone.

Let $A$ be the apex of $K$.

Let $B$ be the base of $K$.

Then a lines joining the apex of $K$ to its directrix is a **generatrix of $K$**.

## Also known as

The **generatrix** of a right circular cone can also be referred to as its **generator**.