Across
- 3. distance from the center to any point on the circle
- 5. pi times the radius squared
- 7. distance around the edge of a circle
- 8. set of points that are the same distance from the center
Down
- 1. pi times the diameter
- 2. distance across a circle through the center; twice the radius of a circle
- 4. 1/2 of a circle
- 6. the ratio of a circle's circumference to its diameter
- 7. the middle of a circle