Money and Pythagoras

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Across
  1. 5. To make a gain when an item is sold.
  2. 6. A number that is written out of 100.
  3. 9. Is the longest side of a right-angled triangle.
Down
  1. 1. The opposite of squaring a number.
  2. 2. A set of three numbers in a right-angled triangle.
  3. 3. The price the customer pays for an item.
  4. 4. The price the shop pays for an item.
  5. 7. Pythagoras discovered an important rule about right-angled triangles.
  6. 8. To sell an item at a lower price than it was bought.