You can find these solutions on major educational portals, which often include video explanations and scanned versions of the steps: Геометрия 7-9 классы
Based on the curriculum provided in the textbooks, GDZ resources typically include: Grades 7–9 (Basic Geometry) gdz po geometrii atanasian pozniak kadomtsev klass
: Introduction to stereometry, axioms, parallelism and perpendicularity of lines and planes, and polyhedra. You can find these solutions on major educational
: Fundamental concepts like points, lines, angles, congruent triangles , parallel lines, and the relationship between sides and angles. gdz po geometrii atanasian pozniak kadomtsev klass