Hip To Be Square Crossword

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Across
  1. 1. A polygon with all equal sides and all equal angles
  2. 3. A quadrilateral with one pair of parallel sides
  3. 7. Curved outwards
  4. 8. A four sided polygon
  5. 10. A flat surface
  6. 12. Curved inwards
  7. 13. A quadrilateral with four right angles
  8. 14. Lines on the same plane that do not intersect
  9. 15. One half is the mirror image of the other half
  10. 16. A quadrilateral with four equal sides
Down
  1. 2. A part of math about points, lines, shapes etc.
  2. 4. A triangle with a 90° angle
  3. 5. A figure having two equal sides
  4. 6. A quadrilateral with opposite sides parallel
  5. 9. A closed two dimensional shape with straight sides
  6. 11. Two angles that total 90°