A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula Trapezoid area formula Through bases and height where a and b are bases, h is height

A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula Trapezoid area formula Through the middle line and height where m is the middle line, h is the height

A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula Trapezoid area formula Along the diagonals and the angle between them where d1,d2 are diagonals, α° is the angle between them

A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula Trapezoid area formula By the lengths of all sides and bases where a and b are the bases, c and d are the sides

A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula Trapezoid area formula Through the radius of the inscribed circle and the angle where r is the radius of the inscribed circle, α° is the angle between the base and the side