ELEMENTS OF CONSTRUCTIVE GEOMETRY IN SCHOOL TEXTBOOKS OF GEOMETRY IN RUSSIA IN THE XVIII CENTURY
This article is dedicated to one of the most attractive and complex sections of geometry - elements of constructive geometry. The history of the theory of geometric constructions began more than two thousand years ago. At this point in time, in connection with the increasing role of geometry in education of students, constructive geometry becomes more important in studies. The relevance of the work is justified by the fact that the authors focus on the history of the development of the theory of geometric constructions, analyzing school textbooks on geometry in Russia in the 18<sup>th</sup> century. The characteristic features of the introduction of these concepts are singled out and described. Considerable attention is paid to the methodological scheme for solving problems on the plane. The history of the introduction of the basic concepts of the theory of geometric constructions into the school course of geometry presented in the article is studied in a specific educational process in lectures and practical classes in geometry at a university with students at a course of “History of Mathematics” and makes it possible to improve the learning efficiency of the material.