InhaltsangabeIntroduction. Part I: Getting Started. Chapter 1: Introducing Geometry and Geometry Proofs! Chapter 2: Points, Segments, Lines, Rays, and Angles. Part II: Triangles. Chapter 3: Triangle Fundamentals and Other Cool Stuff. Chapter 4: Congruent Triangles. Part III: Polygons. Chapter 5: Quadrilaterals: Your Fine, Four-Sided Friends. Chapter 6: Area, Angles, and the Many Sides of Polygon Geometry. Chapter 7: Similarity: Size Doesn't Matter. Part IV: Circles. Chapter 8: Circular Reasoning. Chapter 9: Scintillating Circle Formulas. Part V: 3D Geometry and Coordinate Geometry. Chapter 10: 2-D Stuff Standing Up. Chapter 11: Solid Geometry: Digging into Volume and Surface Area. Chapter 12: Coordinate Geometry, Courtesy of Descartes. Chapter 13: Transforming the (Geometric) World: Reflections, Rotations, and Translations. Part VI: The Part of Tens. Chapter 14: Ten (Plus) Incredibly Fantastic Strategies for Doing Proofs. Chapter 15: Ten Things You Better Know (for Geometry), or Your Name Is Mudd. Index.

Mark Ryan, a graduate of Brown University and the University of Wisconsin Law School, has been teaching math since 1989. He runs the Math Center in Winnetka, Illinois (www.themathcenter.com), where he teaches high school math courses including an introduction to geometry and a workshop for parents based on a program he developed, The 10 Habits of Highly Successful Math Students. In high school, he twice scored a perfect 800 on the math portion of the SAT, and he not only knows mathematics, he has a gift for explaining it in plain English. He practiced law for four years before deciding he should do something he enjoys and use his natural talent for mathematics. Ryan is a member of the Authors Guild and the National Council of Teachers of Mathematics. Geometry Workbook For Dummies is Ryan's fourth book. Everyday Math for Everyday Life was published in 2002, Calculus For Dummies (Wiley) in 2003, and Calculus Workbook For Dummies in 2005. His math books have sold over 100,000 copies.

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