Geometry - Fundamental Terms

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Across
  1. 3. The point, ray, line segment, or plane that intersects a segment at its midpoint. It also can split an angle into congruent angles
  2. 4. Points that lie in the same plane
  3. 9. An angle that is between 0 and 90 degrees
  4. 11. Something is equal or congruent to itself
  5. 12. An angle that measures 90 degrees
  6. 15. The point that divides the segment into two congruent segments
  7. 16. Angles whose sum is 90 degrees
  8. 18. One thing is equal or congruent to another and that second thing is equal or congruent to a third; so the first is equal or congruent to the third
  9. 20. The distance between two points
  10. 21. Points that do not lie on the same plane
  11. 22. A point at the end of a line segment
  12. 24. An "opening" formed by two rays with a common endpoint
  13. 28. Two segments that are the same length or two angles with same degree measurement
  14. 29. Lines or planes that do not intersect and are coplanar
  15. 31. A surface with two dimensions and is represented by a shape that looks like a floor or wall
  16. 33. One thing is equal or congruent to another thing and visa versa
  17. 34. An angle that is between 90 and 180 degrees
Down
  1. 1. A rule that can be proven
  2. 2. Points that lie on the same line
  3. 5. Part of a line that starts at an endpoint and extends forever in one direction
  4. 6. Angles whose sum is 180 degrees
  5. 7. An angle that measures 180 degrees
  6. 8. Angles that formed by two intersecting lines, are nonadjacent, with congruent pairs of angles. They form an X.
  7. 10. The set of points that are common to two or more geometric figures or where they meet
  8. 13. The absolute value of the difference between two points; length
  9. 14. Angles that are next to each other and share a common vertex and common side
  10. 17. Has no dimension and is represented by a dot
  11. 19. Lines that do not intersect and are not coplanar
  12. 23. A rule that is accepted without proof
  13. 25. Connected points that extend forever in one direction and in the opposite direction. It has one dimension and has two arrowheads
  14. 26. Angles that are adjacent and supplementary
  15. 27. Points that lie in the same plane
  16. 30. Lines that intersect and form right angles
  17. 32. A part of a line that consists of 2 points and all of the points between them