Scale diagram vocabulary

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Across
  1. 4. Someone who might create a floor plan
  2. 7. The "W" in ASW
  3. 8. 1,000,000 mm
  4. 10. A scale ratio is written ______:actual
  5. 11. Shown as a quarter circle on a floor plan
Down
  1. 1. 1000 mm
  2. 2. Rewriting a ratio using smaller numbers
  3. 3. Ratio printed on a map
  4. 5. 500 centimetres is ______ metres
  5. 6. Written as WC on floor plan
  6. 9. Small pictures representing something on a plan