Finding the Area of a Polygon by Decomposing/Composing

Finding the Area of a Polygon by Decomposing/Composing
Introduction

Many polygons are irregular and do not have a single simple formula for their area. By decomposing an irregular polygon into familiar shapes such ...

Mia is helping her father choose an outdoor rug for the wooden deck in their backyard. To figure out how much rug material they need, they must find the area of the deck.

The deck is an irregular five-sided polygon, which makes calculating the area tricky because there is no single formula for it.

To solve this, she uses the decompos...