Geometry Crossword

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Across
  1. 3. Statement that can be proven true
  2. 5. Part of a line extending infinitely in one direction
  3. 8. A shape with six sides
  4. 9. A line intersecting two or more lines
  5. 10. Distance around a circle
  6. 11. Amount of units needed to cover a shape
  7. 12. A point exactly halfway between endpoints of a line
  8. 13. Pair of adjacent angles with opposite rays as non-common sides
  9. 15. Negating hypothesis and conclusion
  10. 16. Negating hypothesis and conclusion of converse
  11. 17. Segment from vertex to line on opposite side/perpendicular
  12. 18. Line connecting the middle of two legs
  13. 19. Shape with equal sides and angles
Down
  1. 1. Swapping hypothesis and conclusion
  2. 2. The total sum of lengths of the sides on a shape
  3. 4. Segment with endpoints being in triangles
  4. 6. Intersection of lines at a common endpoint
  5. 7. Where all angle bisectors meet
  6. 10. Same measures
  7. 14. 180 degree angle