9 class. Geometry
Quadrilaterals and their properties

Quadrilaterals and their properties

Quadrilaterals and their properties

Similar triangles.

Similar triangles.

Similar triangles.

Solving right triangles

Solving right triangles

Solving right triangles

Polygons.

Polygons.

Polygons.

Sine, cosine, tangent of angles from 0° to 180°

Sine, cosine, tangent of angles from 0° to 180°

Sine, cosine, tangent of angles from 0° to 180°

Identities: sin 180°-?=sin ?

Identities: sin 180°-?=sin ?

Identities: sin 180°-?=sin ?

Coordinates of the middle of the segment.

Coordinates of the middle of the segment.

Coordinates of the middle of the segment.

The equation of a circle and a straight line

The equation of a circle and a straight line

The equation of a circle and a straight line

Vector.

Vector.

Vector.

Coordinates of the vector.

Coordinates of the vector.

Coordinates of the vector.

Coordinates of the vector.

Coordinates of the vector.

Coordinates of the vector.

Multiplication of a vector by a number.

Multiplication of a vector by a number.

Multiplication of a vector by a number.

Scalar product of vectors.

Scalar product of vectors.

Scalar product of vectors.

Scalar product of vectors.

Scalar product of vectors.

Scalar product of vectors.

Theorem of cosines.

Theorem of cosines.

Theorem of cosines.

Theorem of cosines.

Theorem of cosines.

Theorem of cosines.

Theorem of sines

Theorem of sines

Theorem of sines

Formulas for calculating the area of ??a triangle.

Formulas for calculating the area of ??a triangle.

Formulas for calculating the area of ??a triangle.

Formulas for calculating the area of ??a triangle.

Formulas for calculating the area of ??a triangle.

Formulas for calculating the area of ??a triangle.

Solving triangles

Solving triangles

Solving triangles

Solving problems of practical content

Solving problems of practical content

Solving problems of practical content

A regular polygon, its types and properties

A regular polygon, its types and properties

A regular polygon, its types and properties

Regular polygon and properties

Regular polygon and properties

Regular polygon and properties

A regular polygon inscribed in a circle

A regular polygon inscribed in a circle

A regular polygon inscribed in a circle

A regular polygon circumscribed about a circle

A regular polygon circumscribed about a circle

A regular polygon circumscribed about a circle

Correct polygon, solving problems

Correct polygon, solving problems

Correct polygon, solving problems

Circuit.

Circuit.

Circuit.

Area of ??a circle and its part

Area of ??a circle and its part

Area of ??a circle and its part

Solving problems of practical content

Solving problems of practical content

Solving problems of practical content

Movement and its properties

Movement and its properties

Movement and its properties

The symmetry is relatively direct

The symmetry is relatively direct

The symmetry is relatively direct

Symmetry with respect to a point

Symmetry with respect to a point

Symmetry with respect to a point

Turn

Turn

Turn

Parallel transfer

Parallel transfer

Parallel transfer

Equality of figures

Equality of figures

Equality of figures

2020Online School, Documentary, Education, Ukraine
Full HD253 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

1st class. Art

1st class. Art

4th class. Science

4th class. Science

4th class. Art

4th class. Art

6th class. Art

6th class. Art

6th class. Geography

6th class. Geography

7th class. Algebra

7th class. Algebra

7th class. Chemistry

7th class. Chemistry

8th class. English

8th class. English

8th class. World History

8th class. World History

9 class. Algebra

9 class. Algebra

9 class. Art

9 class. Art

9 class. Geography

9 class. Geography

10 class. World Literature

10 class. World Literature

10 class. World History

10 class. World History

11 class. Chemistry

11 class. Chemistry

11 class. Geography

11 class. Geography

11 class. Physics

11 class. Physics

11 class. World History

11 class. World History

1st class. Mathematics

1st class. Mathematics

3-6 years: English

3-6 years: English

6-9 years: Polish

6-9 years: Polish

Crafts

Crafts

Activity

Activity

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