Geometry Vocabulary

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Across
  1. 1. 2 lines or segments that intersect at a right angle
  2. 5. a figure whose points are all the same distance from the center
  3. 9. triangle a 3-sided polygon with at least 2 congruent sides and 2 congruent angles
  4. 12. triangle a 3-sided polygon with no sides congruent
  5. 13. polygon a straight-sided figure with all congruent sides and all congruent angles
  6. 14. a quadrilateral with all right angles
  7. 16. a flat surface that extends forever
  8. 17. the location on a line segment equal distances from both endpoints
  9. 18. a line segment through the center of a circle with endpoint on the circle
  10. 19. lines that never intersect
  11. 20. the point where 2 lines or rays intersect or meet
  12. 21. polygons with the same shape and congruent corresponding angles
  13. 24. the 2nd space within a figure
  14. 25. part of a circumference
Down
  1. 2. the distance around a figure
  2. 3. a straight path that extends forever in both directions
  3. 4. the start or finish of a line segment or ray
  4. 6. segment a straight path with 2 endpoints
  5. 7. triangle a 3-sided polygon with all sides congruent and all angles congruent
  6. 8. a 4-sided polygon
  7. 10. an exact location
  8. 11. the amount of 3D space in an object
  9. 15. equal, same shape AND size
  10. 16. a quadrilateral with opposite sides congruent and parallel
  11. 22. a path with a starting point that goes forever in one direction
  12. 23. a line segment with one endpoint at the center of a circle and one endpoint on the circle