Geometry Vocabulary Crossword

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Across
  1. 4. If consecutive exterior angles are supplementary, then the lines are parallel
  2. 9. Angles that add up to 180 degrees
  3. 13. Interior angles that are on the same side of the transversal
  4. 14. Angles that add up to 90 degrees
  5. 16. Two or more angles that form a line
  6. 17. If corresponding angles are congruent, then the lines are parallel
  7. 19. If two parallel lines are cut by a transversal, then corresponding angles, alternate interior angles, and alternate exterior angles are ______.
  8. 20. Exterior angles that are on the same side of the transversal
  9. 21. Two angles lying on opposite sides of two intersecting lines
  10. 22. If alternate exterior angles are congruent, then the lines are parallel
  11. 23. If two angles are complementary to the same angle, then the two angles are congruent to each other
  12. 24. If two angles are vertical, then are congruent
Down
  1. 1. If two parallel lines are cut by a transversal, then consecutive interior angles and consecutive exterior angles are ___________.
  2. 2. If two angles are supplementary to the same angle, then the two angles are congruent to each other.
  3. 3. Angles on the same side of the transversal in the same position
  4. 5. If alternate interior angles are congruent, then the lines are parallel
  5. 6. Coplanar lines that intersect at exactly 90 degrees
  6. 7. Interior angles, non-adjacent, and on opposite sides of the transversal.
  7. 8. If consecutive interior angles are supplementary, then the lines are parallel
  8. 10. A line that crosses two or more lines
  9. 11. Exterior angles, non-adjacent, and on opposite sides of the transversal
  10. 12. Noncoplanar lines that never intersect
  11. 15. If two angles form a linear pair, then they are supplementary
  12. 18. Coplanar lines that never intersect