| Answer | Crossword Clue |
|---|---|
| RATIO | Pi, for one |
| AREA | Pi times r squared, for one |
| AREA | Pi x r squared, for one |
| NERD | One who might celebrate Pi Day |
| MATHDEMON | One who can recite pi to a thousand places? ("Tical") |
| RATIO | Pi, for instance |
| RATIO | Pi, for example |
| CONSTANT | Pi, for example |
| NUMERICALVALUE | 3.14159..., for pi |
| AREA | Pi r-squared for a circle |
| AREA | Pi r squared, for a circle |
| ANG | Lee named Best Director for "Life of Pi" |
| ARGO | It beat "Life of Pi" for the Best Picture Oscar |
