Geometry words

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Across
  1. 3. "then" part of a conditional statement
  2. 6. is formed by switching the hypothesis and conclusion
  3. 7. form a form of a conditional statement in which the "if" part contains the hypothesis and the the "then" part contains the conclusion
  4. 8. is formed by writing the converse and then negating both the hypothesis and conclusion
  5. 10. lines that intersect to form a right angle
Down
  1. 1. statement that contains the phrase "if and only
  2. 2. "if" part of a conditional statement
  3. 4. is formed by negating both the hypothesis and conclusion
  4. 5. opposite of the original statement
  5. 9. statements that are both true or both false