Maths

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Across
  1. 2. an angle between 0 and 90
  2. 3. used to measure things
  3. 6. a four sided polygon
  4. 7. amount of space
Down
  1. 1. multiplying a number by three makes the original number
  2. 4. Hypotenuse is the long side of what shape
  3. 5. also known as the awnser