PI DAY :)

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Across
  1. 5. pir2
  2. 6. An arc less than 180 degrees.
  3. 8. with the same diameter.
  4. 9. A line that intersects with a circle at two points.
  5. 14. A polygon whose segments are tangent to a circle.
  6. 16. A chord that intersects with the center of a circle.
  7. 17. The ratio of a circle's circumference to its diameter.
  8. 19. The point from which all points on a circle are equidistant.
  9. 20. A geometric figure composed of points that are equidistant from a given point.
  10. 21. A 180 degree arc.
  11. 22. A polygon whose vertices intersect with a circle.
  12. 24. A line that intersects with a circle at only one point (the point of tangency).
  13. 25. An angle whose vertex is the center of a circle.
Down
  1. 1. A segment with one endpoint at the point of tangency of a circle and the other endpoint on the tangent line.
  2. 2. An arc greater than 180 degrees.
  3. 3. An arc that is formed when two segments, lines, or rays intersect a circle.
  4. 4. Circles that share a center.
  5. 7. The region within a circle bounded by a chord of that circle and the minor arc whose endpoints are the same as those of the chord.
  6. 10. The point of intersection between a circle and its tangent line or tangent segment.
  7. 11. Two endpoints on a circle and all of the points on the circle between those two endpoints.
  8. 12. The same distance. Objects can be equidistant from one another.
  9. 13. A region inside a circle bounded by a central angle and the minor arc whose endpoints intersect with the rays that compose the central angle.
  10. 15. a collection of points in space that is equidistant from a fixed point given a fixed distance.
  11. 18. A segment with one endpoint at the center of a circle and the other endpoint on the circle.
  12. 23. A segment whose endpoints are on a circle.