Geometriia 8 Klass May 2026

Central angles vs. Inscribed angles (and the relationship between them).

Angle-Angle (AA), Side-Angle-Side (SAS), and Side-Side-Side (SSS).

2. Area of Polygons (Площадь многоугольников) geometriia 8 klass

Thales's Theorem and the definition of similar figures.

3. Similarity of Triangles (Подобие треугольников) Introducing the concept of "same shape, different size." Central angles vs

Properties of isosceles and right trapezoids; the midline of a trapezoid.

Circumscribed and inscribed circles of a triangle. 5. Vectors (Векторы) - Optional/Advanced Basics: Definition of a vector, coordinates, and length. geometriia 8 klass

This unit focuses on the classification and properties of four-sided polygons.