# Formula Trapezoid Area    First side length    Height

## Area

Unit
Area of a trapezoid. A trapezoid is a quadrilateral with two parallel sides of length $$a$$ and $$b$$.

## First side length

Unit
The length of one of the two parallel sides of the trapezoid.

## Second side length

Unit
The length of one of the two parallel sides of the trapezoid.

## Height

Unit
The height from the trapezoid, that is, the distance between the sides $$a$$ and $$b$$.