The perimeter of a trapezium is the sum of all the lengths of its four sides. A trapezium is four side plane figure which has two opposite sides parallel and unequal. On this page, we will discuss the perimeter of a trapezium in detail.
What is the perimeter of a trapezium?
The perimeter of a trapezium is the sum of all the lengths of its four sides. Since the lengths of the four sides of a trapezium are equal we simply add the lengths of each of the four sides. Therefore, the perimeter of a trapezium is = a + b + c + d.

How to find the perimeter of a trapezium?
To find the perimeter of a trapezium follow the simple steps below:
• Make sure all the units of measurement of the four sides are the same.
• sum all the lengths of the four sides.
• simplify to get the perimeter of a trapezium. Let’s understand more by working on some examples.
Example 1. Find the perimeter of the trapezium below

Solution
The perimeter of a trapezium is = |AB| + |BC| + |CD| + |DA|
= 8cm + 7cm + 18cm + 10cm
= 43cm
Example 2. Find the perimeter of the trapezium below

Solution
The perimeter of a trapezium = |PO|+|ON|+|NM|+|MP|
= 5m + 10m + 6m + 8m
= 29m
Read also :
• How to find the area of a trapezium with examples here