Shapes

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Across
  1. 2. It has only one edge and one corner
  2. 5. A line joining opposite corners
  3. 6. Opposite sides of each face are equal
  4. 7. Every face is a square
  5. 8. It has no corner and no edge
  6. 9. has three sides
Down
  1. 1. It has 2 flat faces
  2. 3. Where two faces meet
  3. 4. Sphere and cylinder does not have it
  4. 6. It does not have diagonal