Area of Trapezoid Formula
Formula
Summary
The area of a trapezoid is given by the sum of its base and top length multiplied by its height.
Expression  Description 

The area of the trapezoid.  
The length of the top of the trapezoid.  
The length of the base of the trapezoid.  
The height of the trapezoid 
Usage Notes
The area of a trapezoid is given by its height multiplied by the sum of its top length and bottom length divided by two.
To calculate the area of trapezoid sum the bottom and top width together and multiply by the height. Then divide the result of the first operation by two.

Substitute the length of the bottom, top, and height of the trapezoid into the formula.

Evaluate expression.

The area of the trapezoid is 8 units squared.
To calculate the area of trapezoid sum the bottom and top width together and multiply by the height. Then divide the result of the first operation by two.

Substitute the length of the bottom, top, and height of the trapezoid into the formula.

Evaluate expression.

The area of the trapezoid is units squared.
To calculate the area of trapezoid sum the bottom and top width together and multiply by the height. Then divide the result of the first operation by two.

Substitute the length of the bottom, top, and height of the trapezoid into the formula.

Evaluate expression.

The area of the trapezoid is units squared.