Maths and shapes

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Across
  1. 2. the adding sign
  2. 4. the take away sign
  3. 6. a big angle
  4. 8. a symmetrical shape with no corners
  5. 9. five sided shape
  6. 10. the multiplication sign
Down
  1. 1. a small angle
  2. 3. a shape which is symmetrical in all axis
  3. 5. four sided shape
  4. 7. three sided shape