What do u know about Pi???

Edit Answers
1234567891011121314151617181920
Across
  1. 1. Pi times diameter gives ____ of a circle
  2. 9. Swiss mathematician and physicist credited for popularizing the use of the π symbol
  3. 10. The digit not in the first 31 letters of Pi
  4. 12. Indian(Kerala)mathematician credited with finding the value of Pi to an accurate value of 17 decimal places
  5. 13. A dialect in which the numbers of letters in successive words match the digits of pi.
  6. 14. If you hold a mirror up to 3.14, it spells ____
  7. 15. The famous mathematician born on Pi day
  8. 16. ________ proved Pi is irrational in 1768
  9. 18. Pi Day was started in 1988 by physicist_______
  10. 19. The longest chord of a circle
  11. 20. Givenchy sells a ______ with the name ‘Pi’.
Down
  1. 2. Pi goes on forever..it is an ___________number
  2. 3. 70,000 decimal places of Pi was memorized by an Indian named___________________
  3. 4. In Greek alphabet, Pi is the ______ letter
  4. 5. At position 763 of pi, there are six nines in a row, which is known as _______ point
  5. 6. one of the seven wonders of the world believed to have built on the principles of Pi
  6. 7. The first mathematician believed to have accurately calculated the value of Pi
  7. 8. The calculation of pi is a stress test (digital cardiogram) for a _________
  8. 11. Pi is a _____________ letter.
  9. 17. Which month do you celebrate Pi day?