Geometry is heavy in definitions, theorems, and proofs. If you are struggling to keep it all straight and don't have time for hundreds of pages of math speak, you will love this book The NOW 2 kNOW Geometry text concisely organizes the subject's vast amount of information and provides numerous examples of proofs as well as over 200 problems with worked out solutions. Inside this book: -Lines, Angles, Planes -Logic & Truth Tables -Triangles, Polygons, Circles, Solids -Congruency & Similitude -Transformations with Coordinates -Locus & Concurrency -Introduction to Trigonometry"