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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?   18
  • What is the diameter of the circle?   36
  • What is the circumference of the circle (express answer in terms of pi)?   36π
  • What is the circumference of the circle (round answer to nearest hundredth)?   113.1
  • What is the area of the circle (express answer in terms of pi)?   324π
  • What is the area of the circle (round answer to nearest hundredth)?   1017.88

 

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