Geometry Crossword Puzzle

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