geometry cross

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Across
  1. 3. : The "then" part of a conditional.
  2. 5. : Lines that don't intersect and are not parallel, in different planes.
  3. 10. : "If A, then B."
  4. 11. : Planes that never intersect.
  5. 12. : If A = B, then B = A.
  6. 14. : A statement assumed true without proof.
  7. 15. : The opposite of a statement.
  8. 16. :Steepness of a line (rise over run).
  9. 17. : A proven statement.
  10. 19. : Same size and shape.
  11. 20. : A = A.
  12. 21. angles: Opposite angles formed by intersecting lines, always congruent.
  13. 23. : A line that crosses two or more lines.
  14. 24. : An example that disproves a statement.
Down
  1. 1. : "A if and only if B."
  2. 2. : Two lines that intersect at a 90° angle.
  3. 4. : Never meet, always the same distance apart.
  4. 5. : Two angles that add up to 180°.
  5. 6. : If A = B and B = C, then A = C.
  6. 7. : The "if" part of a conditional.
  7. 8. : Reversed and negated conditional.
  8. 9. : Negated conditional: "If not A, then not B."
  9. 13. pair: Adjacent angles that form a straight line (180°).
  10. 18. : An unproven idea believed true.
  11. 22. : Reversed conditional: "If B, then A."