maths

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Across
  1. 2. a three-dimensional solid object surrounded by six square faces, with three meeting at each vertex
  2. 4. a round figure with no vertices
  3. 6. a polygon with three edges
  4. 8. lines that don’t intersect at any point
Down
  1. 1. a figure whose all sides and angles are equal
  2. 3. a three-dimensional shape that has a flat surface and curved surface pointing towards the top
  3. 5. a three-dimensional solid object surrounded by six rectangular faces, with three meeting at each vertex
  4. 7. a polygon with six edges