# Ch 18: Circular Arc & Circles in Coordinate Geometry

Increase your confidence in your ability to work with circles and circular arcs in coordinate geometry with this easy-to-follow chapter. Our fun video lessons help you understand all there is to know about these topics so you can get a great score on an exam or complete your homework.

## Circular Arc & Circles in Coordinate Geometry - Chapter Summary

Our short lessons introduce you to circles, circular arcs, their definitions and examples of both. You'll learn how to find the measure of an inscribed angle and discover what some of the theorems that govern circles and tangents look like. Lessons discuss inscribed and circumscribed figures, arc lengths and the chord theorems of circles. After you review this chapter, you will be able to:

• Differentiate between central and inscribed angles
• Find the measure of an arc and complete the square
• Measure angles and lengths involving secants, chords and tangents
• Understand what completing the square has to do with business decisions
• Graph circles and identify them just by looking at their formula

Our video lessons are short and professionally created, so studying is simple. Printable transcripts help you focus on the most important topics and vocabulary words for handy offline review. If you need assistance with any of the lessons or topics, contact one of our instructors for help. These learning materials work together like a comprehensive online study guide you can access from anywhere at any time.

12 Lessons in Chapter 18: Circular Arc & Circles in Coordinate Geometry
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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