Math words

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Across
  1. 2. Angle >180 degrees but <360 degrees
  2. 5. Triangle with 90 degree angle
  3. 6. Angle >90 degrees but <180 degrees
  4. 7. Triangle with 3 different length sides
  5. 10. What you multiply scale copy lengths by
  6. 11. Answer to multiplication
  7. 12. A division problem
  8. 14. Triangle with all lengths the same
  9. 16. Answer to addition
  10. 17. Triangle with 2 lengths the same
  11. 18. Flip a fractions numerator and denominator
  12. 19. Angle >0 degrees but < 90 degrees
Down
  1. 1. Answer to subtraction
  2. 3. Same place different shape
  3. 4. Answer to division
  4. 8. Identical in form
  5. 9. Changes by same amount
  6. 13. Bottom number of a fraction
  7. 15. Top number of a fraction
  8. 16. Changing the size by the same amount