http://www.viennatestmastery.com
Introduction to fundamental concepts & terms, including point, line, angle, segment and ray (SAT Prep Math - Geometry Basics). Also covers area & perimeter of polygons, and some geometric notation. The SAT Math section, as well as the ACT Math section, will definitely test students' understanding of these geometry basics. Vertex, geometric notation, and geometric extrapolation are covered in this SAT PREP Math - Geometry Basics video.