geometry words!!!

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Across
  1. 2. the point where perpendicular bisectors intersect
  2. 4. a statement formed by switching the hypothesis and conclusion
  3. 6. a combination of a conditional statement and its converse
  4. 7. two lines that never intersect
  5. 9. only used on right triangles
  6. 12. a coclusion or proposition
  7. 14. the opposite of a given math statement
  8. 15. the center of an incircle of a triangle
  9. 16. a specific case which shows the general statement is false
  10. 18. angles formed on the opposit side of transversal
  11. 19. shapes that have the same size or are identical
Down
  1. 1. a statement of two events joined together
  2. 3. planes in a space that never intersect
  3. 4. a therom formed by contradicting the subject and predicate
  4. 5. connects the midpoints of two sides of a triangle
  5. 8. lines with no intersections and are not parrallel
  6. 10. where the hypothesis and conclusion are negated
  7. 11. a straight line that bisects an angle or line segment
  8. 13. formed by a transversal intersecting two parallel lines
  9. 17. formed when two parallel lines are intersected by the transversal