Maths

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Across
  1. 4. another name for corner
  2. 7. letters
  3. 8. angle 89 degrees or less
  4. 9. the shape of the windows
  5. 10. use it in maths
Down
  1. 1. 180 degree shape
  2. 2. the thing used to do maths
  3. 3. 90 degrees
  4. 5. to measure angles
  5. 6. to make circles