Answer:
Diameter: 17
Circumference: 53.58
Area: 226.865
Explanation:
How to solve for diameter of a circle:
- Find the radius.
- Multiply the radius by 2.
(The radius is half of the diameter.)
How to solve for a circumference of a circle:
- Find radius.
- Use correct formula:
·
·

- Solve.
How to solve for the area of a circle:
- Use correct formula:

- Plug in radius.
- Solve.
Hope it helped!