Triangles

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Across
  1. 2. spin
  2. 5. bottom
  3. 7. alike
  4. 8. split
  5. 9. corner
  6. 10. flat
  7. 12. unequal
  8. 13. expand
  9. 15. mirror
  10. 16. equal
Down
  1. 1. parallelogram
  2. 3. outside
  3. 4. inside
  4. 6. large
  5. 7. balanced
  6. 11. equivalent
  7. 14. fine