Geometry Vocabulary

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Across
  1. 3. A line that extends in one direction without end
  2. 4. The endpoint of the angle
  3. 5. A point, ray, line, line segment, or plane that intersects the segment at its midpoint
  4. 7. They do not intersect and are coplanar
  5. 8. Two lines intersect to form a right angle
  6. 14. All angles in the interior of the polygon are congruent
  7. 17. Two angles that share a common vertex and side, but have no common interior points
  8. 19. Two different rays with the same endpoint
  9. 21. A logical statement that has two parts
  10. 25. The set of points the figures have in common
  11. 26. A logical argument that shows a statement is true
  12. 28. A rule that can be proved
  13. 29. Line segments that have the same length
  14. 33. Points that lie in the same plane
  15. 36. Two adjacent angles whose non common sides are opposite rays
  16. 37. A specific case for which the conjecture is false
  17. 38. A rule that is accepted without proof
  18. 39. The distance around a circle
  19. 40. Less than 90 degrees
  20. 41. Extends without end
  21. 42. No line that contains a side of the polygon contains a point on the interior of the polygon
  22. 43. More than 90 degrees
Down
  1. 1. An unproven statement that is based on observation
  2. 2. Looks like a floor or wall
  3. 5. The sum of their measures is 180 degrees
  4. 6. Equals 90 degrees
  5. 8. The distance around a figure
  6. 9. A closed plane figure
  7. 10. If it is not convex it is..
  8. 11. Points on a line that are between the endpoints
  9. 12. The point that divides the segment into two congruent segments
  10. 13. Points that lie on the same line
  11. 15. They do not intersect and are not coplanar
  12. 16. Two planes that do not intersect
  13. 18. A ray that divides an angle into two angles that are congruent
  14. 20. Uses facts, definitions, accepted properties, and the laws of logic to form logical argument
  15. 21. The sum of their measure is 90 degrees
  16. 22. When you find a pattern in specific cases and then write a conjecture for the general case
  17. 23. The amount of surface covered by a figure
  18. 24. Equals 180 degrees
  19. 27. The real number that corresponds to a point
  20. 29. The angles have the same measure
  21. 30. A convex polygon that is both equilateral and equiangular
  22. 31. Has numbered statement and the corresponding statement
  23. 32. Two angles whose sides form two pairs of opposite rays
  24. 34. Represented by a dot
  25. 35. All sides are congruent