Geometry Crossword puzzle

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Across
  1. 2. 4 sided figure with 2 sets of parallel sides
  2. 3. If P=Q then Q=P
  3. 5. The length away from something
  4. 8. 5 sided shape
  5. 9. 4 sided shape
  6. 11. equal to(180 is ******* to a triangle)
  7. 12. 3 sided shape
  8. 13. 6 sided shape
  9. 15. P<=>Q
Down
  1. 1. 90-degree angle
  2. 4. =360-degrees
  3. 6. 7 sided shape
  4. 7. Hight of a triangle
  5. 10. 180-degree angle
  6. 14. 8 sided shape