Pi Day

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Across
  1. 4. the mathematics of points, shapes, and lines
  2. 5. the pi symbol comes from the ______ alphabet.
  3. 7. 3.14
  4. 10. the number pi is ______.
  5. 11. half of the diameter of a circle
Down
  1. 1. nickname for pi
  2. 2. a straight line that passes through the center of a circle
  3. 3. perimeter of a circle
  4. 6. uses pi to calculate amounts of needed materials for a project
  5. 8. march 14th
  6. 9. first name of the man that discovered pi