this textbook is a comprehensive guide to plane and solid geometry, with a focus on practical applications. it also includes a section on graphic arithmetic, providing students with the tools they need to solve complex mathematical problems. the book is an essential resource for students of mathematics, engineering, and architecture, as well as for anyone seeking to improve their geometric skills. this work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. this work is in the "public domain in the united states of america, and possibly other nations. within the united states, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. we appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.