Shape and Space

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