What is Circumference? - Definition & Equation


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question 1 of 3

Which one of the following is the best definition of the circumference of a circle?

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1. Sue made a giant donut. The hole of the donut has a diameter of 1 inch. What is the circumference of the hole?

2. Circle B has a radius of 3 inches. What is its circumference?

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About This Quiz & Worksheet

This worksheet and quiz gauges your understanding of the lesson on calculating a circle's circumference. Use this assessment to test your understanding of the measurements of a circle before moving on to more complex concepts.

Quiz & Worksheet Goals

The quiz will ask you to:

  • Find the circumference, given a circle's radius
  • Solve for the diameter, knowing the circumference
  • Find a circle's circumference with a given diameter

Skills Practiced

  • Defining key concepts - ensure that you can accurately define main terms, such as circumference, radius and diameter
  • Problem solving - use acquired knowledge to calculate circumference, diameter, or radius by solving practice problems
  • Interpreting information - verify that you can read information regarding different circles' measurements and correctly find their circumference

Additional Learning

In order to learn more about the concept of circumference, review the corresponding lesson titled What is Circumference? - Definition & Equation. The lesson will cover objectives such as:

  • Understand different equations to find circumference
  • Define various terms regarding circle measurements
  • Diagram the circle's different components