parkers crossword puzzle

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Across
  1. 3. 90 degrees
  2. 4. two sides are equal
  3. 6. has one set of opposite sides
  4. 9. smaller then 90 degrees
  5. 10. 4 sided polygon
Down
  1. 1. bigger then 90 degrees
  2. 2. sides have equal lines
  3. 5. the same length
  4. 7. no sides are equal
  5. 8. a three sided triangle