3D shapes and their Properties

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Across
  1. 3. I have four triangular faces, four vertices and six edges.
  2. 4. I have two flat faces, one curved surface and no vertices or edges.
  3. 8. another name for a triangular pyramid
  4. 10. the corner
  5. 11. my two opposite faces are always the same.
Down
  1. 1. I have six faces, twelve edges and eight vertices.
  2. 2. I have one flat face, one curved surface and one vertex.
  3. 3. I have five faces, six vertices and nine edges.
  4. 5. I have no edges, no vertices and one curved surface.
  5. 6. I have four triangluar faces and one square base.
  6. 7. I have six faces, eight vertices and twelve edges.
  7. 9. where the two faces meet