Shape and Space

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Across
  1. 3. 2 sides equal, 1 pair of parallel sides
  2. 4. 4 sides, 2 of which are parallel
  3. 6. 8 faces, 6 vertices, 12 edges
  4. 8. parallelogram with all sides equal and all right angles
  5. 9. a closed 2D shape with all straight sides
  6. 10. triangular based pyramid, 4 faces, 6 vertices, 6 edges
  7. 11. all corners point outwards
  8. 13. 2 parallel faces, 2 identical faces, elements are corresponding and parallel
Down
  1. 1. cylinder whose base is a polygon and has straight sides
  2. 2. 2 pairs of parallel sides
  3. 5. quadrilateral with only one pair of parallel lines
  4. 7. one corner has 'fallen' in
  5. 12. cone with polygon base
  6. 14. parallelogram where all sides are equal