2D and 3D shapes

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Across
  1. 2. All the four sides are equal
  2. 4. 1 curved surface, 1 flat face, 2 curved edges
  3. 5. Opposite sides are equal
  4. 7. 1 curved suface, 1 flat face and 1 curved edge
Down
  1. 1. 3 sides
  2. 2. Looks like a ball
  3. 3. 6 faces, 12 edges, 8 vertices but all edges are equal
  4. 6. 6 faces, 12 edges, 8 vertices but opposite edges are equal