2D Shapes

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Across
  1. 3. I have 4 sides, but they are not all equal.
  2. 4. I have 4 sides and they are all equal.
  3. 7. I have 6 sides.
Down
  1. 1. I have no sides and no edges.
  2. 2. I have three sides.
  3. 5. I'm like a circle but I am stretched.
  4. 6. I have 5 sides.