: This is the most common textbook in Russian schools. It is praised for its accessible language and step-by-step introduction to geometric proofs.
Several authors have written the definitive textbooks used in Russian schools today. Depending on your teacher's curriculum, you are likely looking for one of these:
For students in the 8th grade, geometry transitions from basic shapes to more complex logical proofs and theorems. Finding a reliable textbook (uchebnik) to read online is essential for mastering topics like quadrilaterals, triangle similarity, and the Pythagorean theorem. Popular 8th Grade Geometry Textbooks
Pogorelov A. Geometry Textbook for grades 7-11. In Russian /Pogorelov A. Geometriya Uchebnik dlya 7-11 klassov. Pogorelov, Alexey Sergeevich