Geometry

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Across
  1. 3. an example that shows a conjecture is false
  2. 4. if p-->q and q-->r are true then p-->r is true
  3. 5. a line that intersects two or more coplanar lines at different points
  4. 6. the real number that corresponds to a point
  5. 9. points that lie on the same line
  6. 11. two adjacent angles that sum to 180 degrees
  7. 12. two rays that share an endpoint but go in different directions
  8. 13. a figure formed by three segments joining three noncollinear points
  9. 16. two figures that have the same measure
  10. 17. rules that are accepted without proof
Down
  1. 1. the side opposite the right angle in a triangle
  2. 2. a statement that is equivalent to writing both the conditional and its converse
  3. 3. two angles that sum to 90 degrees
  4. 7. an angle whose measure is 180 degrees
  5. 8. a statement that can be easily proved using a theorem
  6. 10. when two statements are both true or both false
  7. 14. where a line segment comes to a conclusion
  8. 15. the initial point of an angle