# Ch 45: GACE Middle Grades Math: Circles

Study this chapter's video lessons to prepare for questions on circles appearing on the GACE Middle Grades Mathematics assessment. Examine the parts of a circle and refresh your memory of how to find a circle's radius, diameter, area and circumference.

## GACE Middle Grades Math: Circles - Chapter Summary

Watch the video lessons in this chapter to catch up on the parts of and formulas for circles. Whether you've forgotten what a central angle is or how to find a quarter circle's area, our instructors will help you get up to speed for the GACE Middle Grades Mathematics assessment. After finishing the chapter, you should be able to do the following:

• Identify the parts of a circle
• Distinguish between central and inscribed angles
• Find the radius and diameter of a circle
• Determine a circle's area and circumference
• Calculate the area and perimeter of semicircles
• Find a quarter circle's perimeter, area and radius
• Solve word problems involving circles

Our professional instructors have created brief and engaging video lessons to make reviewing geometry topics a fun process. You can watch our videos -- loaded with graphs, animations and step-by-step examples -- on your mobile device whenever it fits your schedule. Use our lesson transcripts, which may contain links to other related text lessons, and quizzes to round out your study time.

7 Lessons in Chapter 45: GACE Middle Grades 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.
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