Which quadrangle is called a square?

A square is always a regular quadrilateral, that is, a quadrilateral in which all angles are equal and all sides are equal. All corners are 90 degrees in the square.



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.