Enter what you know below
<-- Base 1
<-- Base 2
<-- Altitude
<-- Side 1
<-- Side 2

How does the Trapezoids Calculator work?
Free Trapezoids Calculator - This calculator determines the following items for a trapezoid based on given inputs:
* Area of trapezoid
* Perimeter of a Trapezoid
This calculator has 5 inputs.

What 1 formula is used for the Trapezoids Calculator?

A = ab
b = ½(b1 + b2)

For more math formulas, check out our Formula Dossier
What 4 concepts are covered in the Trapezoids Calculator?
Number of square units covering the shape
The distance around a shape or object
a quadrilateral with only one pair of parallel sides
Example calculations for the Trapezoids Calculator