# Midsegment of a Trapezoid Calculator

The Midsegment of a Trapezoid is a line segment which joins the midpoint of the two non-parallel sides of a trapezium. It is also called as the median, or the midline. Here is the simple online calculator to find the length of the median of a trapezoid using the lengths of the parallel sides. In a trapezium, if AB and CD are the parallel sides and PQ is the midsegment, then the length of the trapezoid is the half the sum of the lengths of the two parallel sides.

## Median of Trapezium Calculation

The Midsegment of a Trapezoid is a line segment which joins the midpoint of the two non-parallel sides of a trapezium. It is also called as the median, or the midline. Here is the simple online calculator to find the length of the median of a trapezoid using the lengths of the parallel sides. In a trapezium, if AB and CD are the parallel sides and PQ is the midsegment, then the length of the trapezoid is the half the sum of the lengths of the two parallel sides.

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The midsegment is parallel to the base of the trapezium and its length is equal to the average of the length of the two bases.

#### Example

**If the lengths of the parallel side a is 23 mm and parallel side b is 12 mm, the median of trapezium is**

= ( 23 + 12 ) / 2

= 17.5
The midline length of trapezoid is 17.5 mm