Across
- 2. distance from the center of a circle to its circumference
- 3. amount of space occupied by a 3D figure
- 6. decimal number that cannot be written as a simple fraction
- 10. month Pi Day is celebrated
- 11. did the first calculation of Pi
- 13. total length around the outside of a closed figure
Down
- 1. distance around the outside of a circle
- 4. 3D figure that has two circular faces that are parallel
- 5. line that passes through the center of a circle
- 7. branch of math that deals with points, angles, etc...
- 8. a closed, round shape
- 9. curved surface that looks like a ball
- 12. comparison of two numbers
- 13. ratio of the circumference of a circle to its diameter