Textbook in PDF format

Updated for the revised GRE, the Geometry Guide illustrates every geometric principle, formula, and problem type tested on the GRE to help you understand and master the intricacies of shapes, planes, lines, angles, and objects.
Each chapter builds comprehensive content understanding by providing rules, strategies and in-depth examples of how the GRE tests a given topic and how you can respond accurately and quickly. The Guide contains both Check Your Skills questions in the chapters that test your understanding as you go and In-Action problems of increasing difficulty, all with detailed answer explanations