# Ch 20: HiSET Mathematics: Circular Arcs and Circles

Examine this chapter's video lessons to learn about circular arcs and circles for HiSET Mathematics questions. The chapter has clear and easily understood definitions and examples for multiple lesson topics.

## HiSET Mathematics: Circular Arcs and Circles - Chapter Summary

This chapter gets you acquainted with the formulas for finding area and circumference of a circle along with a number of other formulas for potential HiSET Mathematics circle content. The Circular Arcs and Circles chapter includes the following additional material for your test prep:

• What the measure of an arc is
• Arc length of a sector
• Tangent of a circle and tangent theorems
• Finding the measure of an inscribed angle
• Lengths and angles involving tangents, chords and secants

These key mathematics topics are broken down for you by our professional instructors in the fun video lessons. Go back to these lessons after your first look and use the video tags to easily navigate certain portions for extra review.

### Objectives of the HiSET Mathematics: Circular Arcs and Circles Chapter

The HiSET Mathematics subtest, one of five pieces to the high school equivalency exam, evaluates your knowledge in various areas of the subject across 50 multiple-choice questions. These questions will require knowledge of how to find different measurements among other competencies. The multiple-choice questions in this chapter's self-assessment quizzes give you helpful practice for HiSET items.

9 Lessons in Chapter 20: HiSET Mathematics: Circular Arcs and 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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