Parallelogram area ( diagonals' angle)

Description

Parallelogram is a simple (non self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.Diagonals of a parallelogram bisect each other.The area of a parallelogram can be computed by the lengths of two adjacent sides of the parallelogram and the angle at the intersection of the diagonals.