geometry

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Across
  1. 5. a line that intersects two or more lines in a plane at different points
  2. 9. points that lie in the same plane
  3. 10. a segment joining two consecutive vertices
  4. 12. congruent sides of a triangle
  5. 13. a line with a beginning but no end
  6. 14. angle/ 2 angle measures that sum to you 180
  7. 16. angle/ 2 angle measures that add up to 90
  8. 20. triangle/ all angles are acute
  9. 21. triangle/ one angle is right
  10. 22. triangle/ one angle is obtuse
  11. 23. triangle/ no sides are congruent
Down
  1. 1. part of a line
  2. 2. statement formed by negating both the hypothesis and conclusion of a converse of a conditional statement
  3. 3. property/ if a=b and b=c then a=c
  4. 4. triangle/ at least 2 sides are congruent
  5. 6. angles/ two nonadjacent angles formed by two intersecting lines
  6. 7. side opposite the vertex
  7. 8. part after then in conditional statemen
  8. 11. angle/ angle formed by the congruent sides
  9. 15. statement formed by interchanging the hypothesis and conclusion of the converse of a conditional statement
  10. 17. closed figure in a plane made up of segments
  11. 18. line/ line or line segment added to a diagram to help in a proof
  12. 19. ratio of its vertical rise to its horizontal run