PDF guides containing ready-made solutions are also available on specialized educational portals like somif.do.am .
: Introduction to Stereometry, Parallelism and Perpendicularity of Lines and Planes, and Polyhedrons. vse nomera gdz po geometrii 10-11 klassa l.s.atanasian
: Vectors and Coordinates in Space, Bodies of Revolution (Cylinder, Cone, Sphere), and Volume of Solids. Bodies of Revolution (Cylinder