Round II

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Across
  1. 3. In 240BC ______ found the approximate value of pi is 22/7
  2. 8. The ratio of circumference of a circle to its diameter is _________
  3. 9. The month in which 314th day of the year is found is
  4. 10. _______ made a record for most digits of PI to memorize and recite in 2015
Down
  1. 1. Pi is a _________ number
  2. 2. The smallest perfect number is _____
  3. 4. The position of PI in Greek alphabet is _______
  4. 5. The number on the opposite of the dice always adds upto ____
  5. 6. The fifth decimal place of Pi value is
  6. 7. What is the only number spelled with letters in alphabetical order?