The U.S. News and World Report – Brian Witte 
The math section on the redesigned SAT includes a number of questions that require you to know geometry concepts. To earn a great score on the SAT, you will need to master these concepts and learn how to apply them in context. The basic geometry elements include lines and angles – that is, lengths and midpoints, vertical angles, and parallel and perpendicular lines – triangles and other polygons, circles and solids, such as understanding how to calculate and recognize surface area and the volume of objects. (more)