Geometry Chapters 1 - 3

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Across
  1. 2. a statement that is accepted as true
  2. 7. two angles that lie outside the two lines and on opposite sides of the transversal
  3. 8. two angles in corresponding positions
  4. 10. lines that intersect to form right angles
  5. 11. the intersection of two lines
  6. 13. an example that proves a statement false
  7. 15. If q, then p
  8. 17. two adjacent angles that are supplementary.
  9. 18. If not q, then not p.
  10. 19. two angles that lie between the two lines and on the same side of the transversal
  11. 21. If WX=ZY,then ZY=WX.
  12. 24. If not p, then not q.
  13. 25. XY=XY
  14. 26. two angles whose sum is 90 degrees
Down
  1. 1. If AB=CD and CD=FE, then AB=FE.
  2. 3. two angles that lie between two lines and on opposite sides of the transversal
  3. 4. two angles whose sum is 180 degrees
  4. 5. proofs written in sentences
  5. 6. through any three non-collinear points, there exist exactly one ___.
  6. 9. lines that are non-coplanar and non-intersecting
  7. 12. two non-adjacent angles formed by two intersecting lines
  8. 14. lines that are coplanar and non-intersecting
  9. 16. proof that uses boxes and arrows to show the logical order of an argument.
  10. 20. a statement that is proven to be true
  11. 22. If p, then q
  12. 23. the intersection of two planes