Answer the crossword

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Across
  1. 3. if two angles of one right triangle re congruent to the corresponding legs of another right triangle then two triangles are congruent
  2. 5. two sides and two angles are congruent
  3. 6. is a statement which is accepted as true without proof
  4. 10. denoted by q
  5. 13. Negating both hypothesis and conclusion
  6. 14. Angled one of the angle measures 90 degree
  7. 16. is an "if and only if" statement
  8. 18. is an "if-Then" statement
  9. 19. is a special kind of example that disproves a statement or proposition
  10. 20. all angles are less than 90 degree
Down
  1. 1. denoted by p
  2. 2. no side and angles are congruent
  3. 4. is a statement which is accepted as true without proof
  4. 7. Angled one of the angle measures more than 90 degree but less than 180 degree
  5. 8. is a reasoning that is process of observing data
  6. 9. switching the hypothesis and conclusion of a conditional statment and negating both
  7. 11. all sides and all angles are congruent
  8. 12. is a statement of the meaning of a word, or term, or phrase which made use of previously define terms
  9. 15. if the hypotenuse and leg of one right triangle are congruent to the corresponding hypotenuse and leg of another then the two triangles are congruent
  10. 17. is formed by interchanging the hypothesis and conclusion