kryžiažodis

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Across
  1. 3. What month is Pi Day is celebrated around the world?
  2. 4. What is the shape of book?
  3. 7. Who first described the familiar value of Pi which we are considering now?
  4. 8. Pi consists of how many digits?
  5. 10. True or false, has Pi been solved?
Down
  1. 1. "The... invented math." (finish the sentence)
  2. 2. Name the scientist who was born on pi Day?
  3. 5. Pi is named after a letter of which alphabet?
  4. 6. What is the shape of bicycle weels?
  5. 9. What is the shape of the earth?