# Perimeter of Trapezoid

To calculate the **perimeter of a trapezoid** we need to know a length of all its sides. The **perimeter of a trapezoid** is a phrase which means a total sum of all sides length. For example a length of a fence around a trapezoidal garden. The elementary unit is one metre (1 m).

## Perimeter of Trapezoid - formula

**Perimeter of Trapezoid** = side length a + side length b + side length c + side length d

P = a + b + c + d