Finding the Area of a Trapezoid

Finding the Area of a Trapezoid
Introduction

A trapezoid is a quadrilateral with exactly one pair of parallel sides, called the bases. Finding its area uses a formula that accounts for the two different base length...

Imagine you're decorating the front face of a popcorn box for a themed party.

You notice the top and bottom edges of that face are parallel, but not the same length. That shape is called a trapezoid.

The top base is called b₁, and the bottom base is b₂. The height is the straight line from one base to the other, measured at a right ...