Properties of similar triangles and Thales's theorem.
A typical GDZ for 8th-grade control works provides solutions for several standard testing blocks: gdz po kontrolnym rabotam po geometrii za 8 klass
Applications in right-angled triangles.
The most common textbook used for grades 7–9. Control works based on his material focus on quadrilaterals, the Pythagorean theorem, and similar triangles. Properties of similar triangles and Thales's theorem
Relations between inscribed and circumscribed figures. the Pythagorean theorem
Properties and area calculations of parallelograms, rectangles, rhombuses, and trapezoids.
Контрольные работы по геометрии 8 класс (Атанасян)