The MS Geometry covers topics commonly taught in 6-8th grade geometry. It is also suitable for high school students and adult learners who need to brush up on their math skills. Features: 20 standards-based lessons, 177 interactive quiz questions, 35 skill-building animations, Searchable database of key math terms. Topics: Introduction to Geometry, Parallel Lines, Reasoning, Triangles and Other, Polygons, Pythagorean Theorem & Trigonometry