Maths

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Across
  1. 4. mathematical constant of the circumference
  2. 5. measure distance
  3. 7. incline of a line
  4. 8. 2d shape with 2 sides
  5. 9. numbers that only divide with 2 numbers
Down
  1. 1. a circular 3d shape
  2. 2. what a number can be divided by
  3. 3. a shape
  4. 6. a yellow frit