Another popular series by A.G. Merzlyak, V.B. Polonsky, and M.S. Yakir.
Because your request didn't specify a grade level or author, here are the most common workbooks and where to find their solutions: gdz k tetradi po geometrii klass
(e.g., Atanasyan, Merzlyak, or Pogorelov) Another popular series by A
Very popular for middle school geometry (7th, 8th, and 9th grades). Another popular series by A.G. Merzlyak
This is the most standard curriculum. Solutions are usually found for the " Рабочая тетрадь " (Workbook) by L.S. Atanasyan.
Specifically the " Рабочая тетрадь " designed to accompany the Atanasyan textbook. Popular Resources for These Answers: