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Circles

Practice

Using the diagram, answer the following questions.

What is the radius of the circle?
What is the diameter of the circle?
What is the circumference of the circle (express answer in terms of pi)?
What is the circumference of the circle (round answer to nearest hundredth)?
What is the area of the circle (express answer in terms of pi)?
What is the area of the circle (round answer to nearest hundredth)?

Click to Reveal Answers.

What is the radius of the circle? 3
What is the diameter of the circle? 6
What is the circumference of the circle (express answer in terms of pi)? 6π
What is the circumference of the circle (round answer to nearest hundredth)? 18.85
What is the area of the circle (express answer in terms of pi)? 9π
What is the area of the circle (round answer to nearest hundredth)? 28.27

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