Messina Geometry Puzzle

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Across
  1. 4. mr. messina's favorite superhero
  2. 5. The Irrational number above the board
  3. 6. Spring Break Trip
  4. 8. one of the parks mr messina is visiting
  5. 10. the measure of the earth
  6. 11. A line connecting 2 points on a circle
  7. 12. Quiet
  8. 13. Lowell Observatory(where they found Pluto)
  9. 17. 0 arguments lost
Down
  1. 1. Mr. Messina's ski trip plan
  2. 2. Hits a Circle at 1 point
  3. 3. An angle whose vertex is on the circle
  4. 4. Chris
  5. 5. Don't be on it during class
  6. 7. Put them in your notebook each day
  7. 9. no one likes these
  8. 11. the point in the middle of the circle
  9. 14. A set of points equidistant from the center
  10. 15. put it on your neck when you leave
  11. 16. Goes through 2 points on a circle