Definition:Median of Trapezoid

Definition
Let $\Box ABCD$ be a trapezoid.


 * Median-of-Trapezoid.png

The median of $\Box ABCD$ is the straight line through the midpoints of the legs of $\Box ABCD$.

In the above diagram, $EF$ is the median of the trapezoid $\Box ABCD$.

Also known as
The median of a trapezoid is also known as its midline.

Also see

 * Median of Trapezoid is Parallel to Bases