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The content of the textbook corresponds to the mathematics curriculum (geometry, profile level) for grade 11 of secondary schools.

The textbook is created using effective technologies for teaching and learning mathematics in the context of differentiation of learning, which contributes to the development of students' mathematical culture, comprehensive mastery of educational material, and the formation of key and subject competencies. The textbook contains a huge and varied didactic material: tasks and exercises that are differentiated by levels of difficulty, "Test Yourself" tasks in test form." The section "When the Lessons Are Done" contains interesting stories from the history of mathematics, which are intended to maintain students' cognitive interest in the subject. The tasks of the section "Making Friends with the Computer" are fully integrated with both the content of the textbook and the content of the didactic material for it. This allows the teacher to organise the learning process at a modern level.

Intended for students of grade 11 of general secondary education institutions and mathematics teachers.