Deep dive into Rectangles, Rhombuses, and Squares.
3. Similarity of Triangles (Подобие треугольников) Introducing the concept of "same shape, different size." geometriia 8 klass
A cornerstone of 8th-grade geometry used to find missing side lengths in right triangles. Deep dive into Rectangles, Rhombuses, and Squares
Circumscribed and inscribed circles of a triangle. 5. Vectors (Векторы) - Optional/Advanced Basics: Definition of a vector, coordinates, and length. Deep dive into Rectangles
Properties of isosceles and right trapezoids; the midline of a trapezoid.
Thales's Theorem and the definition of similar figures.
Definition, properties of sides/angles, and signs of a parallelogram.