The Six First: Together With The Eleventh And Twelfth Books Of Euclid�������s Elements is a mathematical treatise originally written by the ancient Greek mathematician Euclid. This particular edition was translated into English and published in 1726. The book contains the first six books of Euclid's Elements, which cover topics such as plane geometry, proportions, and circles. Additionally, the eleventh and twelfth books are included, which focus on solid geometry and the properties of three-dimensional objects. The text is presented in a clear and concise manner, with definitions, propositions, and proofs laid out in a logical sequence. This book is a valuable resource for students and scholars of mathematics, as well as anyone interested in the history of mathematical thought.Demonstrated After A New, Plain, And Easy Method.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.