Living geometry textbook

The book of the famous popularizer of science Yakov ISidorovich Perelman “Living Textbook of Geometry” easily and accessingly explains the most necessary geometric concepts and facts. And also teaches the most important thing - their use. After all, it is important not only to know, but also to be able to put your knowledge into practice. This book sets out 60 theorems and less than 100 paragraphs, acquaintance of the reader with polygons, straight, corners, as well as explaining what a scale is, how to build a triangle on three sides, which angles are called adjacent, expanded, corresponded.

The book will be an excellent assistant for children 11-14 years old in the study of the school geometry course.

for secondary school age.