A parallelogram is a quadrilateral whose opposite sides are parallel in pairs (lie on parallel lines).

Parallelogram area formula
where a is the base, h is the height

A parallelogram is a quadrilateral whose opposite sides are parallel in pairs (lie on parallel lines).

Parallelogram area formula
where b is the side, hb is the height

A parallelogram is a quadrilateral whose opposite sides are parallel in pairs (lie on parallel lines).

Parallelogram area formula
where d1,d2 are diagonals, α° is the angle between them

A parallelogram is a quadrilateral whose opposite sides are parallel in pairs (lie on parallel lines).

Parallelogram area formula
where a is the base, b is the side, α° is the angle between them