Basic Geometry
Get up to speed on the core foundations of geometry.
Content

6. Volume and surface area
7. The Pythagorean theorem 8. Transformations, congruence, and similarity 
1. Lines
2. Angles
Angle basicsInterpreting anglesRelationships between angles 
3. Shapes
4. The coordinate plane
5. Area and perimeter
6. Volume and surface area
7. The Pythagorean theorem
8. Transformations, congruence, and similarity
Transformations
Congruence and similarity
Geometry
Content

08. Right triangles and trigonometry
09. Circles 10. Perimeter, area, and volume 11. Analytic geometry 12. Geometric constructions 13. Miscellaneous 
1. Tools of geometry
3. Special properties and parts of triangles
4. Quadrilaterals
5. Transformations
6. Congruence
7. Similarity
8. Right triangles and trigonometry
9. Circles
Properties of tangentsArea of inscribed triangleStandard equation of a circleExpanded equation of a circle 