Mathematics

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Across
  1. 4. Assumed number value(ex. x)
  2. 6. whole numbers(Can't be decimal or a fraction)
  3. 8. Creator of Buoyancy and displacement
  4. 10. + -
  5. 11. Angle that is more than 90°
  6. 13. Multiplied itself by 2 times
  7. 16. Opposite of Subtraction
  8. 18. Angle that is less than 90°
  9. 19. Opposite of Multiplication
  10. 20. Opposite of Division
Down
  1. 1. The longest side of a right triangle
  2. 2. Multiplied itself 3 times
  3. 3. y=mx+b
  4. 5. Inverse of an operation
  5. 7. 3.14
  6. 9. Angle that is exactly 90°
  7. 12. Opposite of Addition
  8. 14. three sides and three vertices
  9. 15. A mathematical Statement
  10. 17. (0,0) in Coordinate Plain