8th class. Geometry0+
Adjacent and vertical angles.
Adjacent and vertical angles.
Signs of equality of triangles
Signs of equality of triangles
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
Quadrilateral, its elements.
Quadrilateral, its elements.
Parallelogram, its properties and signs
Parallelogram, its properties and signs
Rectangle and its properties
Rectangle and its properties
Rhombus and its properties
Rhombus and its properties
Square and its properties
Square and its properties
Trapeze
Trapeze
Inscribed and central corners
Inscribed and central corners
Inscribed and circumscribed quadrilaterals
Inscribed and circumscribed quadrilaterals
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 trapezoid, its properties
The middle line of a trapezoid, its properties
Generalized theorem of Thales
Generalized theorem of Thales
Similar triangles.
Similar 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
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
Theorem of Pythagoras
Theorem of Pythagoras
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 value of sine, cosine, tangent of some angles
The value of sine, cosine, tangent of some angles
Solving right triangles
Solving right triangles
Solving problems of practical content
Solving problems of practical content
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
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 ??the triangle
Area of ??the triangle
The area of ??the trapezium
The area of ??the trapezium
Solving problems of practical content
Solving problems of practical content
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