Free Professional Development

Or

Geometry

Learn how to identify Adjacent Angles and examine Properties of Angle Bisectors in this course about Measurements of Angles. Master the units of measurement by analyzing Radians and Degrees and learn to solve equations with Supplementary Angles easily by configuring 180 degrees. Whether your focus is basic Angle Subtraction or challenging your skill set with Funding Unknown Angles from Complementary Angles, this course delivers concepts, applications and methods that can be directly applied to most areas of study within Geometry.

- Radians and Degrees
- Angle Addition
- Adding Two Angles
- Angle Subtraction
- Subtracting Two Angles
- Two Intersecting Lines
- Adjacent Angles
- Finding Unknown Angles from Adjacent Angles
- Complementary Angles
- Solving for a Complementary Angle
- Finding Unknown Angles from Complementary Angles
- Supplementary Angles
- Intersecting Lines and Supplementary Angles
- Solving for a Supplementary Angle
- Finding Unknown Angles from Supplementary Angles
- Angles from Ratios and Algebraic Expressions
- Congruent Angles
- Angle Bisection
- Properties of Angle Bisectors
- Properties of Angle Bisectors: Practice Problems
- Angle Bisector Problems
- Angles formed by Intersecting Lines

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.