Across
- 1. set of points in a plane which are the same distance from the center
- 5. the circumference pi of the diameter
- 6. area of a circle pi times the radius squared
- 8. the middle of the circle
- 9. distance across a circle through the center;twice the radius of a circle
Down
- 2. distance around the edge of a circle
- 3. 1/2 of circle
- 4. 3.14
- 7. distance from the center to any point on the circle 1/2 diameter of a circle