: Calculation formulas for all major 3D shapes, including the use of Cavalieri's Principle .
The for Grades 10–11 (and Grades 7–9) is a comprehensive curriculum that covers both Planimetry (plane geometry) and Stereometry (solid geometry). It is structured for both basic and advanced (profile) levels. Grades 10–11: Stereometry (Solid Geometry) smirnova geometriia uchebnik - klass gdz
: Intersecting, parallel, and skew lines; parallelism of lines and planes; parallel planes. : Calculation formulas for all major 3D shapes,
This stage focuses on properties of figures in three-dimensional space. The content is typically divided as follows: and skew lines
: Detailed study of the sphere, cylinder, and cone; sections and tangent planes.