Perimeter and area of trapezoids

Discover all the formulas to calculate the perimeter and area of trapezoids.

Notes

Learn how to calculate perimeter and area of trapezoids

Discover all the formulas to calculate the perimeter and area of trapezoids.

Table of contents of this lesson: Perimeter and area of trapezoids

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Area of trapezoid

The trapezoid has a special shape. Do you know how to calculate its area?

Take two trapezoids and put them one next to the other. What do you see? A parallelogram!

So, you can use the same formula for the area of a parallelogram and divide everything by 2:

A = [(B + b) x h] : 2

Perimeter of a trapezoid

Perimeter of a trapezoid