Definition:Parabola/Latus Rectum

Definition

 * ParabolaParts.png

Consider a parabola $P$.

The latus rectum of $P$ is the chord of $P$ passing through the focus of $P$ parallel to the directrix $D$.

Also see

 * Definition:Focus of Parabola
 * Definition:Axis of Parabola
 * Definition:Vertex of Parabola
 * Definition:Directrix of Parabola