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? 15
- What is the diameter of the circle? 30
- What is the circumference of the circle (express answer in terms of pi)? 30π
- What is the circumference of the circle (round answer to nearest hundredth)? 94.25
- What is the area of the circle (express answer in terms of pi)? 225π
- What is the area of the circle (round answer to nearest hundredth)? 706.86