Geometry crossword

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Across
  1. 6. L+L+W+W
  2. 9. 4side(even)
  3. 11. measure of an angle
  4. 13. even(sides)
  5. 14. (blank)Theorem
  6. 15. 4sides
Down
  1. 1. >90*
  2. 2. <90*
  3. 3. (Blank)crossword
  4. 4. Line(through)circle
  5. 5. LxW
  6. 7. towards(middle)
  7. 8. closed2dshape
  8. 10. =
  9. 12. Line(blank)