Pi Day

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Across
  1. 3. You might feel humiliated eating this pie
  2. 4. sixth number
  3. 8. not sane
  4. 9. Great______Charlie Brown
  5. 10. first to calculate pi
  6. 12. Area of a Circle- pi times this squared
  7. 13. In the ______
Down
  1. 1. letter after pi in Greek alphabet
  2. 2. If life gives you these make a refreshing drink
  3. 5. not finite
  4. 6. tending their flock
  5. 7. Can describe a color, esp. horses
  6. 11. _____ of circumference to diameter