Important Polygons

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Across
  1. 2. seven
  2. 5. five
  3. 8. four congruent sides and angles
  4. 9. four right corners
  5. 10. three sides
  6. 11. slanted square
Down
  1. 1. two triangles together
  2. 3. all angles congruent
  3. 4. six
  4. 6. all lengths congruent
  5. 7. four sides
  6. 10. one set of parallel sides