math

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Across
  1. 4. shape with no sides
  2. 7. shape with 6 equal sides
  3. 9. shape with 3 equal sides
  4. 10. point made by 2 lines
Down
  1. 1. shape made up of 4 equal sides
  2. 2. shape where opposite sides are equal
  3. 3. shape with 5 equal sides
  4. 5. half of one hundred
  5. 6. a quarter of eighty
  6. 8. third of 27