# Ch 39: NES Math: Circles & Arc of a Circle

Watch our lessons and take the included quizzes to renew your understanding of circles, circular arcs and inscribed angles, and to rediscover ways of measuring them. The study aids found in this chapter can help you with this topic on the NES Math test.

## NES Math: Circles & Arc of a Circle - Chapter Summary

Use this chapter's lessons to refresh your knowledge of circles and measurements involving them. You can prepare for NES Math questions on:

• The area and circumference of circles
• Circular arcs
• Central and inscribed angles
• How to measure an arc and an inscribed angle
• Theorems regarding the tangent of a circle
• Measurements of angles and lengths involving tangents, chords and secants
• Arc length of a sector

Our instructors infuse these short video lessons with humor and lots of examples to make them informative and entertaining. You can watch from anywhere, as long as you have an Internet connection, via smartphone, tablet or computer. After each lesson, a quiz lets you assess your learning, and the answer key includes a link that lets you jump to the section of the video lesson explains the correct answer for any question answered incorrectly.

### NES Math: Circles & Arc of a Circle Chapter Objectives

Arizona, New Mexico, Oregon, Washington and Wisconsin require passing the NES Math test as one of the conditions for obtaining certification to teach secondary-level mathematics. Like our lesson quizzes, the test consists entirely of multiple-choice questions, so taking our quizzes will give you a good idea of what you'll encounter on exam day.

The questions are divided into five content domains, and questions based on the material in this chapter are in the Measurement and Geometry content domain, which makes up 19% of the test's total content.

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

### Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.