Central angles vs. Inscribed angles (and the relationship between them).
Using similarity to find the heights of objects or distances across rivers. 4. Circles (Окружность) Interactions: Tangent lines and their properties. geometriia 8 klass
Circumscribed and inscribed circles of a triangle. 5. Vectors (Векторы) - Optional/Advanced Basics: Definition of a vector, coordinates, and length. Central angles vs
Thales's Theorem and the definition of similar figures. geometriia 8 klass
2. Area of Polygons (Площадь многоугольников)
Deep dive into Rectangles, Rhombuses, and Squares.