The basics—points, lines, angles, and the first signs of triangle equality.
In Atanasyan's problems, a bad drawing usually means a wrong answer. Compare your sketch with the solution's diagram to see if you missed a right angle or a midpoint. Common "Stumbling Blocks" in Atanasyan gdz geometriia, 7-9 avtorov l. s. atanasiana
If you’re stuck, look at just the first 1-2 lines of the solution to see which theorem was used (e.g., "By the property of isosceles triangles..."). Then, close the manual and try to finish it yourself. The basics—points, lines, angles, and the first signs
Since "GDZ" (Готовые Домашние Задания) refers to "Ready Homework Solutions," What the Atanasyan Textbook Covers " What the Atanasyan Textbook Covers