Clayton Hess crossword

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Across
  1. 4. An educated guess based on data
  2. 6. Length times width
  3. 8. drew
  4. 10. An angle that is equal to 180
  5. 14. Two shapes that have the same shape and size
  6. 15. Formed by two lines in the corners of shapes
  7. 17. A^2+B^2=C^2
  8. 18. On graph
  9. 19. graph
  10. 20. Lines forming the boundary of a closed geometric figure
Down
  1. 1. A quadrilateral with both pairs on opposite angles parallel and all sides the same length
  2. 2. c=2πr
  3. 3. The line segment from a vertex to the middle of the opposite side.
  4. 5. When conclusion and hypothesis are reversed
  5. 7. A triangle with sides of three different lengths
  6. 9. drew
  7. 11. If two angles are not congruent then they do not have the same measure.
  8. 12. An angle that measures less than 90 degrees
  9. 13. Two angles that are side by side and share a vertex
  10. 16. A four-sided plane, figure with opposite sides parallel