Modenov P.S. Problems in geometry

Translated from the Russian by George Yankovsky. — Moscow: Mir Publishers, 1981. — 407 p.This text offers certain general methods of solving problems in elementary geometry and is designed for teachers of mathematics in secondary schools and also for senior students.
The present text includes material that goes beyond the scope of mathematics curricula for secondary schools (the use of complex numbers in plane geometry, inversion, pencils of circles and others).Моденов П.С. Задачи по геометрии /file/649202/