Euclid's Elements of Geometry is a classic mathematical text that presents a comprehensive overview of the principles of geometry. The book contains all twelve books of Euclid's original work, which cover topics such as lines, angles, circles, polygons, and solid figures. In addition to the original text, this edition also includes algebraic demonstrations for the second and fifth books. These demonstrations use algebraic equations and formulas to prove the geometric theorems presented in the original text. The book is a valuable resource for students, teachers, and anyone interested in the history and development of mathematics. It is written in clear, concise language and is accessible to readers of all levels of mathematical proficiency.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.