Finding midpoints, distances between points, and the equation of a line/circle. Chapter 11: Ratio of Sides and Angles in Triangles

GDZ.ru provides a digital version of the workbook pages with filled-in answers, often including the intermediate "fill-in-the-blank" steps intended by the authors.

The workbook is structured to mirror the main textbook's chapters, focusing on providing scaffolded practice for 9th-grade students preparing for the OGE (Unified State Exam).

Skysmart offers a structured table of contents by paragraph and page number for easy navigation. :

: Many tasks in the workbook (especially those involving coordinates and trigonometry) directly correlate with Part 1 and Part 2 of the 9th-grade state exam.

Sines, cosines, and tangents for angles from 0∘0 raised to the composed with power 180∘180 raised to the composed with power Theorems: Law of Sines and Law of Cosines applications. Chapter 12: Length of a Circle and Area of a Disk Calculations involving , regular polygons, and arc lengths. Chapter 13: Geometric Transformations