Perimeter and area of irregular polygons

Learn how to calculate the perimeter and the area of irregular polygons!

Notes

Irregular polygons don't have the same properties of regular polygons.

Learn how to calculate their perimeter and area!

Table of contents of this lesson: Perimeter and area of irregular polygons

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Area of irregular polygons

Look at the shape of the polygon and try to identify the shapes that you already know. The area of an irregular polygon is the sum of the areas of the polygons that you can find inside of it.

Look at the picture: the shape is composed of two triangles, one rectangle and one square. If you want to find the area of the irregular polygon, you have to identify the shapes that you already know and use their formulas.

Perimeter of irregular polygons

Perimeter of irregular polygons