Geometry Honors Crossword

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Across
  1. 3. a line that contain a chord
  2. 5. the perpendicular segment from a vertex to the line containing the opposite side
  3. 7. a 4-sided polygon
  4. 9. a polygon that is both equiangular and equilateral
  5. 16. a 10-sided polygon
  6. 17. a triangle with no side congruent
  7. 19. the ray that divides the angle into two congruent adjacent angles
  8. 22. if-then statement
  9. 23. any smooth curve joining two points
  10. 25. a statement that is accepted without proof
  11. 27. the point that divides a segment into two different segments
  12. 29. a figure formed by two rays that have the same endpoint
  13. 32. a quadrilateral with 4 congruent sides
  14. 35. two lines that intersect to form right angles
  15. 36. a line that intersects two or more coplanar lines in different points
  16. 37. proving statements by reasoning from accepted postulates, definitions, theorems, and given information
  17. 40. to be equal or the same
  18. 42. the set of points in a plane that are a given distance from a given point in the plane
  19. 45. all in one line
  20. 46. an 8-sided polygon
  21. 48. a chord that contains the center of a circle
  22. 49. a kind of researching in which the conclusion is based on several past observations
  23. 50. two angles whose measures have the sum 90
  24. 51. a quadrilateral with both pairs of opposite sides parallel
Down
  1. 1. an angle with measure 90
  2. 2. a segment from a vertex to the midpoint of the opposite side
  3. 4. an example used to prove that an if-then statement is false
  4. 6. an angle with measure between 90 and 180
  5. 8. a quadrilateral with four right angles
  6. 10. an angle with measure 180
  7. 11. a statement that contains the words "if and only if"
  8. 12. two angles whose measures have the sum 180
  9. 13. an angle with measure between 0 and 90
  10. 14. all in one plane
  11. 15. two points on a line and all the points between them
  12. 18. the set of all points
  13. 20. a line, segment, ray, or plane that intersects the segment at its midpoint
  14. 21. a plane figure formed by coplanar segments (sides) such that (1) each segment intersects exactly two other segments, one at each endpoint; and (2) no segments with a common endpoint are collinear
  15. 24. a segment whose endpoints lie on a circle
  16. 26. two angles whose sides form two pairs of opposite rays
  17. 28. a triangle with at least two sides congruent
  18. 30. a quadrilateral with 4 right angles and 4
  19. 31. circles that lie in the same plane and have the same center
  20. 33. two angles in a plane that have a common vertex and a common side but no common interior points
  21. 34. the figure formed by three segments joining three noncollinear points
  22. 38. a triangle with all angles congruent
  23. 39. lines that are not coplanar
  24. 41. a statement that can be proved
  25. 43. a statement that can be proved easily by applying the theorem
  26. 44. a 5-sides polygon
  27. 47. a segment joining two non-consecutive vertices of a polygon