math geometry

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Across
  1. 2. a shape with 5 sides
  2. 4. a shape with 4 sides
  3. 6. a formula in math that is deduced
  4. 11. Point in the middle connecting points.
  5. 12. 8 sided shape
  6. 14. endless long mark
  7. 16. An Angle less than 90
  8. 18. All sides are equal of a triangle
  9. 19. An angle greater than 90
  10. 20. The outside measurements of a shape
Down
  1. 1. When two straight lines meet at a common endpoint
  2. 3. exmaple that satisfies but doesnt lead to conclusion
  3. 5. 90 degrees
  4. 7. The value in the middle of a data set
  5. 8. Hypothesis and conclusion is reversed
  6. 9. 4 sided shape with parallel lines
  7. 10. Same shape
  8. 13. two sides are equal.
  9. 15. the function that undoes
  10. 17. The full measurement of a shape