Geometry final

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Across
  1. 2. Subset- B is a subset of A but B does not equal A
  2. 4. if all three sides of a triangle are congruent
  3. 7. every element in B is in A
  4. 9. statement using the word AND
  5. 12. intereior- same side of transversal
  6. 13. conjunction of (p if and only if q)
  7. 14. flat surface made of points extending infinitely
Down
  1. 1. reached using inductive reasoning
  2. 3. statements using the word OR
  3. 5. a segment that extends from vertex and is perpendicular to the line on opposite side
  4. 6. two legs on a right triangle are congruent to two legs on another right triangle- both are congruent
  5. 8. sets- sets conatining same elements
  6. 10. Tollens- method of proof based on Contrapositive Rule
  7. 11. interior angles- two angles that are not adjacent to given exterior angles