What is the name of a quadrilateral with pairwise parallel sides?

A quadrilateral with pairwise parallel sides is called a parallelogram. In this case, the sides are not only pairwise parallel, but also pairwise equal, as are the opposite angles of the figure. Special cases of a parallelogram are rectangle, square and rhombus. A rectangle and a square have right angles between the sides, while all sides of the square are equal. A rhombus, like a square, has equal sides, and opposite angles are equal in pairs.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.