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Geometry

By integrating a wide range of topics such as Scale Factors and AA Triangle Similarity, this course helps establish comprehension at the most basic level in preparation for more advanced subjects. Practice your knowledge with Similar Figures, Scale and Similar Figures and Demonstrating Similarity and challenge your skills with Solving for Unknown Angles of Similar Triangles and Triangle Proportionality Theorem. Learn the unique elements of AA Triangle Similarity and SAS Triangle Similarity for advanced shortcuts to test for Similarity. This Geometry course covers a wide range of proficiency to help you succeed at any level.

- Scale
- Scale Factors
- Similar Figures
- Scale and Similar Figures
- Corresponding Parts
- Demonstrating Similarity
- Using Similarity to Identify Missing Information
- Introduction to Triangle Similarity
- Determining the Ratio of Similar Triangles
- Determining Angles of Similar Triangles
- Inversely Similar Triangles
- Similar Triangles
- Solving for Unknown Angles of Similar Triangles
- Determining Side Lengths in Similar Triangles
- Solving for Unknown Sides of Similar Triangles
- Practice Determining Triangle Similarity
- Using Similar Triangles to Make Indirect Measurements
- Triangle Proportionality Theorem
- AA Triangle Similarity
- SAS Triangle Similarity
- SSS Triangle Similarity
- Similar Polygons and their Perimeters
- Scale Factor and Area of Similar Figures
- Scale Factor and Surface Area of Similar Figures

Study fundamental topics in college-level algebra with emphasis on application.

Grasp core concepts of statistics such as probability distributions, approximations, and hypothesis-testing.

Pathways are a sequence of tutorials that help you learn a whole subject area, one concept at a time. Choose from multiple teachers and teaching styles.

The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia's online courses for college credit. These courses are eligible to transfer to many different colleges and universities.