Encyclopedia of Elementary Mathematics . Book 5. Geometry" edited by Aleksandrov P. C. This is not just a textbook, but a real find for anyone who wants to understand the world of geometry and its application in everyday life. This book will be an indispensable assistant for both students and teachers, as well as for everyone who is interested in mathematics and wants to expand their knowledge in this area. In the fifth volume of the encyclopedia, the authors carefully consider the basic concepts and theories of geometry, ranging from the simplest figures to more complex polyhedra. The reader is immersed in a world of points, lines, planes and volumes, where each topic is revealed with clarity and accessibility. The book includes many illustrations that help to visualize complex ideas and make the learning process more fascinating. One of the main topics raised in the book is the connection of geometry with other branches of mathematics, as well as its practical application in various fields of science and technology. Readers will be able to learn how geometric principles are used in architecture, engineering, and even art. This makes the book especially interesting for those who want to see how mathematics affects our lives and the world around us. Encyclopedia of Elementary Mathematics . Book 5. Geometry" will be useful not only for schoolchildren and students, but also for adults who want to refresh their knowledge or master new topics. If you are interested in mathematics, love to solve problems and strive for self-improvement, this book will become your faithful companion. It is suitable both for self-study and for use in educational institutions. The style of Alexandrov and his co-authors is distinguished by clarity and logical presentation .. They are able to explain even the most complex concepts, which makes their work popular among a wide audience. In previous volumes of the encyclopedia, readers have already been able to get acquainted with topics such as arithmetic, algebra and mathematical analysis. Each volume is constructed in such a way that the reader can easily move from one topic to another without losing the thread of the narrative. The book also includes many tasks and exercises that will help consolidate the knowledge gained. This not only contributes to a better understanding of the material, but also develops logical thinking and analytical abilities. At the end of each chapter, readers will find answers to assignments, which makes the learning process more interactive and fun. If you are looking for literature that will help you immerse yourself in the world of geometry, develop mathematical skills and discover new horizons, Encyclopedia of Elementary Mathematics Book 5. Geometry" is exactly what you need. Do not miss the opportunity to expand your knowledge and skills in this fascinating and important area of mathematics. This book will be your reliable assistant on the way to understanding geometry and its role in our world.