As you prepare for the NBPTS Adolescence and Young Adulthood/Mathematics certificate exam, use these lessons to improve your skills finding the properties of the different parts of circles.

## Circles: NBPTS Math - Adolescence & Young Adult - Chapter Summary

In the lessons of this chapter, our professional instructors will help you improve your skills in solving mathematical problems involving circles. After these lessons, you should be better prepared for questions on the National Board for Professional Teaching Standards (NBPTS) Adolescence and Young Adulthood/Mathematics certificate exam that will ask you to:

• Find the circumference of a circle using its diameter and Pi
• Identify the different parts of circles
• Use the theorems of tangents of circles
• Measure major arcs, minor arcs and chords of circles
• Calculate the area of sectors
• Find the properties of inscribed angles, inscribed figures and circumscribed figures
• Measure angles and lengths involving tangents, chords and secants
• Identify the equation of a circle

Study the key vocabulary while you review these lessons, and take the lesson quizzes to discover topics you don't understand. In the video lessons, use the tags to return to and study the parts of the lessons that explain them. If you come across a topic that confuses you, ask our instructors for assistance using the 'teacher' tabs of the lessons.

12 Lessons in Chapter 22: Circles: NBPTS Math - Adolescence & Young Adult
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.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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