geometry

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Across
  1. 2. six sided polygon
  2. 5. 2pier=
  3. 7. transversal passes through two lines
  4. 9. the middle of
  5. 11. all three sides are equal
  6. 13. proves a statement wrong
  7. 16. two of the triangle are equal
  8. 17. 8 sides
  9. 18. distance around a two dimensional shape
  10. 20. same shape as the mirrored image
Down
  1. 1. hypothesis and conclusion are revered
  2. 3. less than 90 degrees
  3. 4. 2 rays meet at a vertex
  4. 6. graph
  5. 8. graph
  6. 10. flat surface extends into infinity
  7. 12. bxh
  8. 14. a mathematical statement
  9. 15. 10 straight sides
  10. 19. angle 90 degrees