Lines and Angles Vocabulary

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Across
  1. 6. a trapezoid with congruent legs
  2. 7. A parallelogram with four congruent sides and four right angles.
  3. 10. The set of all points in a plane that are the same distance from a given point called the center.
  4. 13. a polygon with all sides and all angles equal
  5. 14. a triangle with two equal sides
  6. 17. 5 sided polygon
  7. 19. an angle that measures 90 degrees
  8. 20. an angle that measures less than 90 degrees
  9. 21. two angles whose measures have a sum of 90 degrees
  10. 23. Add up to 360 degrees
  11. 25. An angle greater than 180 degrees (but less than 360)
  12. 28. A straight path that has no thickness and extends forever.
  13. 30. a polygon with four sides
  14. 31. A triangle with one angle that is greater than 90 degrees.
  15. 34. a triangle with three acute angles
  16. 36. An angle that measures more than 90 degrees but less than 180 degrees
  17. 38. a three-sided polygon
  18. 39. A parallelogram with four right angles
Down
  1. 1. A parallelogram with four congruent sides
  2. 2. Having the same size and shape
  3. 3. A pair of opposite congruent angles formed by intersecting lines
  4. 4. A quadrilateral with two pairs of parallel sides
  5. 5. Two angles that share a common side and have the same vertex
  6. 8. The inside angles of a polygon
  7. 9. A quadrilateral with exactly one pair of parallel sides
  8. 11. angles that have the same measure
  9. 12. 10 sided polygon
  10. 15. 8 sided polygon
  11. 16. A quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent.
  12. 18. 2 rays joined together at a vertex
  13. 22. the angles that occupy the same relative position at each intersection where a straight line crosses two others. If the two lines are parallel, the corresponding angles are equal.
  14. 24. lines in the same plane that never intersect
  15. 26. 6 sided polygon
  16. 27. A triangle with three congruent sides
  17. 29. Line segments that join non-adjacent vertices.
  18. 32. two angles whose measures have a sum of 180 degrees
  19. 33. Two lines that intersect to form a right angle
  20. 35. A triangle that has a 90 degree angle.
  21. 36. egg-shaped
  22. 37. A point where two or more straight lines meet.