Two-Dimensional Shapes

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Across
  1. 3. I have no corners
  2. 6. I have 8 sides and 8 corners
  3. 7. I have opposite sides the same length, 2 sides are short and 2 sides are long
Down
  1. 1. I have 4 equal length sides and 4 corners
  2. 2. I have 5 sides and 5 corners
  3. 4. I have 3 sides and 3 corners
  4. 5. I have 6 sides and 6 corners