# Ch 23: Compass Math: Circles

You'll have fun and build up your geometry skills as you use these brief, appealing videos to review the circle-related concepts you're likely to be tested on as you work through your Compass Math assessment. A quiz after each lesson lets you practice answering questions.

## Compass Math: Circles - Chapter Summary

This chapter presents several quick, convenient, engaging videos on the mathematics of circles to help you prepare for your Compass Math placement test. As you navigate the videos, you will examine:

• Properties of circles
• Using pi to calculate circumference
• Finding the diameter of a circle with pi
• Inscribed angles and central angles
• Circumscribed and inscribed figures

Following each video, you'll find a short quiz that lets you practice answering geometry-focused questions about circles and assess your understanding of the material. If you get stuck on a question or confused by a video, ask our instructors for assistance.

### Objectives of the Compass Math: Circles Chapter

We've assembled this short series to refresh your memory of the geometry of circles to help you prepare for your Compass Math exam. Your school will use your Compass results to place you in a level-appropriate mathematics course. There are five sections to the Compass Math exam, and the Geometry Placement Test contains questions about circles.

The test is computerized and adjusts the difficulty level of the questions it presents to you based on your performance over the exam. The more questions you answer correctly, the more difficult the questions will become. All questions are multiple choice, and you'll have as long as you need to complete the assessment.

4 Lessons in Chapter 23: Compass Math: Circles
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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