Geometry Vocabulary

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Across
  1. 5. 2 rays with a common endpoint that form a straight line when connected
  2. 6. a triangle with 2 congruent sides
  3. 12. a triangle with 1 obtuse angle
  4. 13. a triangle with 3 acute angles
  5. 14. a ray whose endpoint is the vertex of the angle that divides the angle into 2 congruent angles
  6. 15. the distance between segment endpoints
  7. 16. a polygon with 3 sides
  8. 17. the distance from 0 on the number line
  9. 18. an angle whose measure is 180 degrees
  10. 22. a line, segment or ray that is perpendicular to the segment and bisects the segment
  11. 25. a polygon with 6 sides
  12. 26. a triangle with all sides congruent
  13. 27. opposite angles formed by intersecting lines
  14. 29. segment a set of points consisting of 2 points on a line, called endpoints, and all points on the line between the endpoints
  15. 33. the number associated with a point on the number line
  16. 34. a polygon with 5 sides
  17. 36. a polygon with 10 sides
Down
  1. 1. a triangle with no congruent sides
  2. 2. pair 2 adjacent angles whose sum is a straight line
  3. 3. the point at which the perpendicular meets the line
  4. 4. 2 lines that intersect to form right angles
  5. 7. 2 angles whose sum is 180
  6. 8. a line or part of a line that intersects a segment at its midpoint
  7. 9. a polygon with 4 sides
  8. 10. a tringle with all angles congruent
  9. 11. three undefined terms
  10. 14. a set of points that is the union of 2 rays having the same endpoint
  11. 17. 2 angles that have a common vertex and a common side, but do not have any interior points in common
  12. 19. an angle whose measure is greater than 180 but less than 360
  13. 20. a set of points which all lie on the same straight line
  14. 21. a set of three or more points that do NOT lie on the same straight line
  15. 22. a closed geometric figure that is the union of line segments that intersect only at their endpoints
  16. 23. a part of a line that consists of a point on the line, called an endpoint, and all points on one side of the endpoint
  17. 24. 2 angles whose sum is 90
  18. 28. a polygon with 8 sides
  19. 30. an angle whose measure is 90 degrees
  20. 31. the number 0 on the number line
  21. 32. the point on a segment that cuts the segment into 2 congruent segments
  22. 33. segments that have the same measure
  23. 35. a polygon with n sides