Solutions for 2017 and later editions covering 9th-grade topics can be found on Shkola.Obozrevatel and GDZ.ru .
The GDZ (Ready Homework Solutions) for the by A.P. Ershova is available online for various grade levels. These resources provide detailed step-by-step solutions to help students understand complex geometric concepts and prepare for thematic or final assessments. gdz po geometrii sbornik zadanii ershova klass
Independent and control work solutions are hosted on GDZ.ru (10th Grade) and Calaméo (11th Grade) . Solutions for 2017 and later editions covering 9th-grade
Access solutions for topics like triangles and angles on GDZ.ru or Megaresheba . gdz po geometrii sbornik zadanii ershova klass
Detailed answers for quadrilaterals and similarity theorems are available on GDZ.ru and GDZ.RF .
You can find the specific solutions for your grade level on these platforms: