Modern Geometry

"Modern Geometry" is a profound exploration of Euclidean geometry that delves into the advanced properties of the triangle and the circle. Authored by Roger A. Johnson, this work is widely considered a cornerstone of mathematical literature, often cited for its rigorous approach to synthetic geometry. The text moves beyond basic geometric concepts to examine complex theorems and constructions that were developed during the nineteenth and early twentieth centuries, offering a level of detail that remains relevant for modern mathematicians and scholars.