Definition:Polygon/Chord

Definition
A chord of a polygon $P$ is a straight line connecting two non-adjacent vertices of $P$:


 * ChordOfPolygon.png

In the above diagram, $DF$ is a chord of polygon $ABCDEFG$.

Also known as
Some texts refer to a chord as a diagonal.

Also defined as
Some texts also require that a chord should lie completely in the interior of $P$.