About The Book: Elementary Geometry; Including Plane, Solid, and Spherical Geometry, with Practical Exercises by Edward Olney is a comprehensive guide to foundational and advanced geometric principles. It begins with basic definitions, axioms, and methods for measuring straight lines, progressing to plane geometry concepts like perpendicular, oblique, and parallel lines, as well as the relationships between lines and circles. The text also explores angles, polygons, equality, equivalency, areas, and similarity. Advanced topics include solid and spherical geometry, covering prisms, cylinders, spheres, and related measurements. Practical exercises throughout the book provide hands-on applications, making it a valuable resource for both students and educators. About The Author: Edward Olney (1827–1887) was a notable American educator and author, recognized for his contributions to mathematics education. He authored several influential textbooks, including The Complete Algebra, Elementary Geometry, and First Principles of Algebra. These works focused on core mathematical topics such as algebra, geometry, and arithmetic, and were widely used in schools during the 19th century. Olney's textbooks played a significant role in shaping mathematical instruction, leaving a lasting impact on educational practices of his time. The Title 'Elementary Geometry: Including Plane, Solid, and Spherical Geometry, with Practical Exercises written/authored/edited by Edward Olney', published in the year 2025. The ISBN 9789369207190 is assigned to the Paperback version of this title. This book has total of pp. 339 (Pages). The publisher of this title is Gyan Publishing House. This Book is in English. The subject of this book is Geometry. Size of the book is 21.59 x 27.94 cms.