Geometry

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Across
  1. 2. does the opposite of the original function. +=- or -=+
  2. 5. L(2) + W(2)
  3. 8. ⊥
  4. 9. ∟
  5. 11. lines that never intersect and have the same slope
  6. 12. a triangle where all sides are equal
  7. 13. another name for a famous government building
  8. 15. a polygon that is also the name of a kids toy
  9. 16. a logical connective used to connect two statements
  10. 17. a triangle where two sides are equal
  11. 18. a conclusion that is made without proof
  12. 19. another name for a diamond
  13. 20. a triangle where no sides are the equal
Down
  1. 1. L X W
  2. 3. angles that add up to 180 degrees
  3. 4. a shape that has 4 congruent sides and 4 right angles
  4. 6. where angles, size, and shape are all the same
  5. 7. angles that add up to 90 degrees
  6. 10. a^2+b^2=c^2
  7. 14. a type of polygon with six sides