Geometry Vocabulary

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Across
  1. 3. An angle with measure greater than 180 degrees
  2. 4. A polygon with four sides
  3. 6. A polygon with ten sides
  4. 7. A polygon with seven sides
  5. 8. The common endpoint of two rays that form an angle
  6. 9. Lines that are not coplanar and do not intersect
  7. 10. A location in space with no dimensions
  8. 11. Any part of the circumference of a circle
  9. 13. A segment whose endpoints are on the circle
  10. 14. A polygon with all sides and angles congruent
  11. 15. A straight set of points that extends infinitely in both directions
  12. 17. An angle with measure less than 90 degrees
  13. 18. Part of a line that begins at one endpoint and extends infinitely in one direction
  14. 19. A segment from the center of a circle to a point on the circle
Down
  1. 1. An angle with measure greater than 90 but less than 180 degrees
  2. 2. Lines in the same plane that never intersect
  3. 5. Two angles whose measures add to 90 degrees
  4. 10. Lines that intersect to form right angles
  5. 12. The set of all points in a plane that are the same distance from a center
  6. 13. Points that lie on the same line
  7. 16. A flat surface that extends infinitely in all directions