A Concise Geometry is a book written by Clement V. Durell and published in 1921. The book is a comprehensive guide to the principles of geometry, providing a concise and clear explanation of the key concepts and theorems. The book covers a wide range of topics, including lines, angles, triangles, circles, polygons, and solid geometry. It also includes sections on geometric constructions, congruence, similarity, and the Pythagorean theorem. The book...