2D shapes - can you identify the correct shape?

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Across
  1. 1. It has 4 equal sides, and 4 right angles with 4 lines of symmetry.
  2. 3. An angle that is greater then 90 degrees
  3. 6. A triangle with 2 equal angles, and 2 equal sides
  4. 8. It has 1 pair of parallel side; no angles or sides are equal in length
  5. 10. An angle that is smaller than 90 degrees
  6. 12. Like a rectangle, it has opposite sides that are equal length; opposite angles are equal with 2 pairs of parallel sides
  7. 14. A special angle that is equal to 90 degrees
  8. 15. This shape has 5 sides, angles and lines of symmetry
  9. 16. A triangle whose sides and angles are not equal
  10. 17. This shape has 6 sides, angles and lines of symmetry
  11. 18. Adjacent sides are equal length with 1 opposite pair of equal angles
Down
  1. 2. A triangle whose sides, angles and lines of symmetry are all equal
  2. 4. It has 3 sides and 3 corners, which may o may not be of equal size
  3. 5. All sides are equal in length, and opposite angles are equal with sets of parallel sides
  4. 7. This is only half a shape, with one straight side, and 1 curved side
  5. 9. This shape has 8 side, angles and lines of symmetry
  6. 11. It has only 1 side with no corners
  7. 13. It's opposite side are equal length, and has 4 right angles with 2 lines of symmetry