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**P l a n i m e t r y (Plane geometry)**

Similarity of plane figures. Similarity criteria of triangles

Geometric locus. Circle and circumference

Inscribed and circumscribed polygons. Regular polygons

Problems: Plane geometry

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**S t e r e o m e t r y (Solid geometry)**

Angles. Projections. Polyhedral angles

Parallelism and perpendicularity of straight lines and planes

Polyhedrons. Prism, parallelepiped, pyramid

Tangent plane of a ball, a cylinder and a cone

Symmetry. Symmetry of plane figures

Volumes and areas of bodies' surfaces

Problems: Solid geometry