Shapes for Maths

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Across
  1. 1. 10-sided 2D shape
  2. 4. A 3D circle
  3. 6. A long 2D square
  4. 8. 9-sided shape
Down
  1. 2. 6-sided 3D shape with square faces
  2. 3. 7-sided 2D shape
  3. 5. Closed shape with no curves
  4. 7. A long 2D circle