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Across 2. About how many digits of pi are known (round to the nearest whole number and write out the number)? 5. Pi is circumference divided by ____. 6. What is the date of Pi Day. 8. What society found the first known value of pi? 10. At position 763 there are six nines in a row. What is this point called? 12. What did the Greek symbol for pi denote in ancient Greece (write out the number)? 13. What is the fraction commonly used to approximate pi? 14. What book by Carl Sagan claimed that pi held a message from the creators of the universe? 15. Who is the pi memory champion?

Down 1. What is another name for pi in Germany? 3. What number is not in the first thirty-one digits of pi (write out the number)? 4. Who gave the Greek letter for pi its current mathmatical definition? 5. Pi appears in the equation for the DNA _____ ____ shape. 7. What bible verse references pi? 9. Pi in base pi is ____ (write out the number). 11. Pi is what type of number?