The CliffsStudySolver workbooks combine 20 percent review material with 80 percent practice problems (and the answers!) to help make your lessons stick. CliffsStudySolver Geometry is for students who want to reinforce their knowledge with a learn-by-doing approach. Inside, you'll get the practice you need to learn Geometry with problem-solving tools such as Clear, concise reviews of every topic Practice problems in every chapter -- with explanations and solutions A diagnostic pretest to assess your current skills A full-length exam that adapts to your skill level Example problems, work problems, worked solutions, and an appendix of postulates and theorems help you get the practice you need to learn Geometry. In this book, you'll explore many aspects of Geometry, including the following: Basic concepts: Points, lines, planes, line segments, midpoints, and rays Angles and angle pairs, and parallel lines Measuring angle sums Triangles, polygons, and circles Determining perimeter and area, and ratio and proportion Solid figures and measurement Coordinate geometry Practice makes perfect --and whether you're taking lessons or teaching yourself, CliffsStudySolver guides can help you make the grade. Author David Alan Herzog has written more than 100 books and education software programs concerned with test preparation in mathematics and science. He taught math education at Fairleigh Dickinson University, was a mathematics coordinator for New Jersey's Rockaway Township Public Schools, and taught in the New York City public schools.