math

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Across
  1. 4. shape with 6 equal sides
  2. 6. a quarter of eighty
  3. 7. shape with 4 equal sides
  4. 9. shape where opposite sides are equal
  5. 10. 1 over 2
Down
  1. 1. 1 over 4 is also called this
  2. 2. half of one hundred
  3. 3. shape with 5 equal sides
  4. 5. a third of twenty seven
  5. 8. shape with no sides