8th class. Geometry
Adjacent and vertical angles.

Adjacent and vertical angles.

Adjacent and vertical angles.

Signs of equality of triangles

Signs of equality of triangles

Signs of equality of triangles

Isosceles triangle, its features and properties

Isosceles triangle, its features and properties

Isosceles triangle, its features and properties

Tangent to a circle and its property

Tangent to a circle and its property

Tangent to a circle and its property

Quadrilateral, its elements.

Quadrilateral, its elements.

Quadrilateral, its elements.

Parallelogram, its properties and signs

Parallelogram, its properties and signs

Parallelogram, its properties and signs

Rectangle and its properties

Rectangle and its properties

Rectangle and its properties

Rhombus and its properties

Rhombus and its properties

Rhombus and its properties

Square and its properties

Square and its properties

Square and its properties

Trapeze

Trapeze

Trapeze

Inscribed and central corners

Inscribed and central corners

Inscribed and central corners

Inscribed and circumscribed quadrilaterals

Inscribed and circumscribed quadrilaterals

Inscribed and circumscribed quadrilaterals

Thales' theorem

Thales' theorem

Thales' theorem

The middle line of a triangle, its properties

The middle line of a triangle, its properties

The middle line of a triangle, its properties

The middle line of a trapezoid, its properties

The middle line of a trapezoid, its properties

The middle line of a trapezoid, its properties

Generalized theorem of Thales

Generalized theorem of Thales

Generalized theorem of Thales

Similar triangles.

Similar triangles.

Similar triangles.

The second and third signs of similarity of triangles

The second and third signs of similarity of triangles

The second and third signs of similarity of triangles

Property of the median of a triangle

Property of the median of a triangle

Property of the median of a triangle

Bisector property

Bisector property

Bisector property

Sine, cosine, tangent of an acute angle of a right triangle

Sine, cosine, tangent of an acute angle of a right triangle

Sine, cosine, tangent of an acute angle of a right triangle

Theorem of Pythagoras

Theorem of Pythagoras

Theorem of Pythagoras

Perpendicular and inclined, their properties

Perpendicular and inclined, their properties

Perpendicular and inclined, their properties

The ratio between the sides and angles of a right triangle.

The ratio between the sides and angles of a right triangle.

The ratio between the sides and angles of a right triangle.

The ratio between the sides and angles of a right triangle.

The ratio between the sides and angles of a right triangle.

The ratio between the sides and angles of a right triangle.

The value of sine, cosine, tangent of some angles

The value of sine, cosine, tangent of some angles

The value of sine, cosine, tangent of some angles

Solving right triangles

Solving right triangles

Solving right triangles

Solving problems of practical content

Solving problems of practical content

Solving problems of practical content

Polygon and its elements

Polygon and its elements

Polygon and its elements

A polygon inscribed in a circle and a polygon described around a circle

A polygon inscribed in a circle and a polygon described around a circle

A polygon inscribed in a circle and a polygon described around a circle

The concept of the area of ??a polygon.

The concept of the area of ??a polygon.

The concept of the area of ??a polygon.

Area of ??parallelogram, rhombus

Area of ??parallelogram, rhombus

Area of ??parallelogram, rhombus

Area of ??the triangle

Area of ??the triangle

Area of ??the triangle

The area of ??the trapezium

The area of ??the trapezium

The area of ??the trapezium

Solving problems of practical content

Solving problems of practical content

Solving problems of practical content

2020Online School, Documentary, Education, Ukraine
Full HD295 minutes
The All-Ukrainian online school is a joint project of the Office of the President of Ukraine, the Ministry of Education and Science, the Committee of the Verkhovna Rada on Education, Science and Innovation, the public union «Osvitoria» and the United Nations Children's Fund (UNICEF).
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See also

4th class. Art

4th class. Art

5th class. English

5th class. English

7th class. Algebra

7th class. Algebra

7th class. Art

7th class. Art

7th class. Chemistry

7th class. Chemistry

7th class. English

7th class. English

7th class. Geography

7th class. Geography

8th class. Chemistry

8th class. Chemistry

8th class. English

8th class. English

9 class. Biology

9 class. Biology

9 class. Chemistry

9 class. Chemistry

9 class. English

9 class. English

9 class. World Literature

9 class. World Literature

9 class. Geometry

9 class. Geometry

9 class. History of Ukraine

9 class. History of Ukraine

9 class. Ukrainian language

9 class. Ukrainian language

10 class. Chemistry

10 class. Chemistry

11 class. Chemistry

11 class. Chemistry

11 class. Geography

11 class. Geography

11 class. World History

11 class. World History

3-6 years: numbers/counting

3-6 years: numbers/counting

6-9 years: Polish

6-9 years: Polish