Coordinate Geometry

Luther Pfahler Eisenhart 

Dover Publishing Inc. | 1939 |

online: archive.org

A thorough, complete, and unified introduction, this volume affords exceptional insights into coordinate geometry. Invariants of conic sections and quadric surfaces receive full treatments. Algebraic equations on the first degree in two and three unknowns are carefully reviewed. Throughout the book, results are formulated precisely, with clearly stated theorems. More than 500 helpful exercises.

College Geometry: An Introduction to the Modern Geometry of the Triangle and the Circle

Nathan Altshiller-Court

New York : Barnes & Noble | 1952

online: archive.org

Preface -- To the instructor -- To the student -- Geometric constructions -- Similitude and homothecy -- Properties of the triangle -- The quadrilateral -- The Simson line -- Transversals -- Harmonic division -- Circles -- Recent geometry of the triangle

Dover Publications | 2009 | 336 páginas | PDF | 31 Mb

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Translated into many languages, this book has been the standard university-level text for decades. Revised and enlarged by the author in 1952, it offers today's students exercises in construction problems, similitude, and homothecy, properties of the triangle and the quadrilateral, harmonic division, and circle and triangle geometry.