

Basic concepts, axioms of stereometry and their simplest consequences.

Basic concepts, axioms of stereometry and their simplest consequences.

Mutual arrangement of straight lines in space.

Mutual arrangement of straight lines in space.

Parallel design, its properties.

Parallel design, its properties.

Parallel design, its properties.

Parallelism of a straight line and a plane.

Parallelism of a straight line and a plane.

Parallelism of planes.

Parallelism of planes.

Definition of perpendicularity of a line and a plane, basic theorems

Solving problems on the perpendicularity of a straight line and a plane

Theorem about three perpendiculars, formulation and application examples.

Solving problems on the theorem about three perpendiculars

Dihedral angle

Perpendicularity of the plane

Measurement of distances in space: from a point to a plane, from a straight line to a plane

Measurement of distances in space: between planes

Solving problems of practical content

Measurement of angles between straight lines in space

Measurement of angles in space: between a straight line and a plane, between planes

Measuring angles in space: solving practical problems

Perpendicularity of lines in space

Rectangular coordinates in space

Coordinates of the middle of the segment

The distance between two points

Vectors in space

Operations on vectors.

Operations on vectors.

Formulas for calculating the length of a vector, the angle between vectors, the distance between two points.

Formulas for calculating the length of a vector, the angle between vectors, the distance between two points.

Symmetry with respect to the coordinate origin and coordinate planes.

Symmetry with respect to the coordinate origin and coordinate planes.
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