Circumscribed and inscribed circles of a triangle. 5. Vectors (Векторы) - Optional/Advanced Basics: Definition of a vector, coordinates, and length.
3. Similarity of Triangles (Подобие треугольников) Introducing the concept of "same shape, different size." geometriia 8 klass
2. Area of Polygons (Площадь многоугольников) Circumscribed and inscribed circles of a triangle
Definition, properties of sides/angles, and signs of a parallelogram. properties of sides/angles
Angle-Angle (AA), Side-Angle-Side (SAS), and Side-Side-Side (SSS).
Using similarity to find the heights of objects or distances across rivers. 4. Circles (Окружность) Interactions: Tangent lines and their properties.
This unit focuses on the classification and properties of four-sided polygons.