Geometry problems in these grades frequently overlap with trigonometry (e.g., finding angles between planes). Ensure you are comfortable with sine and cosine rules as they appear in the geometry modules.
When using GDZ to check work, always sketch the 3D figure first. Bashmakov’s approach emphasizes the "cognitive style" of learning, meaning you should understand why a cross-section looks a certain way before looking at the calculation. m i bashmakov geometriia 10-11 gdz
Use the Problem Book for Basic and Profile Levels by M.I. Bashmakov. It contains a complete system of exercises suitable for classroom work, self-study, and Exam (EGE) preparation. Geometry problems in these grades frequently overlap with