(congruence criteria, isosceles properties). Chapter 3: Parallel Lines (angles formed by a transversal).
The workbook is organized by the main chapters of the Atanasyan textbook: spishi.ru po geometrii 7 klass atanasian rabochaia tetrad
For complex problems (e.g., tasks 101–157), watch step-by-step explanations on VK Video . (congruence criteria, isosceles properties)
(points, lines, segments, angles).
