"Practical classes in geometry" is a unique work created by the outstanding Soviet mathematician Yakov Isakovich Perelman. This book will be a real discovery for anyone who wants to deepen their knowledge in the field of geometry and develop logical thinking. Perelman, known for his fascinating and accessible explanations of complex mathematical concepts, offers readers not just a theory, but practical tasks that will help consolidate the material studied. From the first pages of the book, readers plunge into the world of geometry, where each task becomes not only a challenge, but also an exciting game. Perelman masterfully combines theory with practice, which allows not only to understand geometric shapes and their properties, but also to learn how to apply this knowledge in real life. The book includes many tasks that vary in complexity, making it suitable for both schoolchildren and students, as well as for anyone interested in mathematics and wanting to improve their skills. The topics raised in Practical Geometries cover a wide range: from the foundations of flat and spatial geometry to more complex concepts such as the Pythagorean theorem and the properties of triangles. Perelman does not just explain rules and formulas, he immerses the reader in the fascinating process of solving problems, encouraging him to think critically and creatively. This book will be an excellent assistant for those who are ready for intellectual challenges and want to learn how to find non-standard solutions. Who can like “Practical classes in geometry”? First of all, this work will be interesting for schoolchildren and students who need to prepare for exams or test papers . Teachers of mathematics will also find useful materials in the book for preparing lessons and additional classes . In addition, fans of puzzles and logical problems will appreciate the opportunity to develop their analytical abilities and find joy in solving mathematical problems. Perelman's style is distinguished by clarity and accessibility. He skillfully uses simple and easy-to-understand examples to explain even the most complex concepts. His books, such as Mysteries and Tasks, Mathematical Adventures, and The Math Course, are also known for their fascinating approach to learning. Perelman skillfully selects words to make mathematics not only understandable, but also interesting. His ability to explain complex things in simple language makes his works real bestsellers among science lovers. “Practical classes in geometry” is not just a textbook, but a real find for anyone who wants to immerse themselves in the world of geometry. The book is able to inspire and motivate, opening up new horizons of knowledge to the reader. If you are looking for a way to improve your mathematical skills, develop logical thinking or just want to spend time usefully, this book will become your faithful companion. Do not miss the chance to get acquainted with the work of Yakov Isaakovich Perelman - his books continue to inspire generations of readers, and "Practical classes in geometry" is no exception. Immerse yourself in the world of geometry, solve problems and discover the amazing patterns that surround us in everyday life.