Geometry Vocab Puzzle

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Across
  1. 5. formed when a transversal passes through two lines
  2. 7. two lines that intersect at a 90-degree angle
  3. 8. lines that never intersect
  4. 9. if two figures are congruent to a third figure, then they are also congruent to each other
  5. 12. formed when a transversal intersects two lines
  6. 13. the part of a conditional statement that follows the "if" statement
  7. 14. neither parallel nor intersecting
  8. 15. a statement that is accepted as true without proof
  9. 18. negating both the hypothesis and the conclusion, and then switching their order (if not q, then not p).
  10. 19. forming the opposite of a given statement
  11. 21. any geometric figure (line, angle, shape, etc.) is congruent to itself
  12. 24. two angles whose measures add up to 180 degrees
  13. 25. formed when two lines are intersected by a transversa
Down
  1. 1. the "if" part of a conditional statement
  2. 2. each of the pairs of opposite angles made by two intersecting lines.
  3. 3. shape or object has matching parts
  4. 4. formed when a transversal line intersects two parallel lines
  5. 6. a measure of its steepness
  6. 10. a pair of angles formed on the same side of a transversal when two parallel lines are crossed
  7. 11. a line that intersects two or more other lines
  8. 16. a statement that can be proven true using logical reasoning
  9. 17. a statement or proposition that is believed to be true based on observations or patterns
  10. 20. combines a conditional statement and its converse, using "if and only if"
  11. 22. an example that disproves a statement or conjecture by demonstrating that the statement is not always true
  12. 23. two adjacent angles that form a straight line (or 180 degrees) when combined