math

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Across
  1. 4. a number+another
  2. 7. a side of a 3d shape
  3. 8. the point where lines cross
  4. 10. how much space is inside a shape
Down
  1. 1. an unknown letter in a equation
  2. 2. the length of a circle
  3. 3. a equal 4 sided shape
  4. 5. how tall a shape is
  5. 6. the title
  6. 9. product of equation
  7. 11. 2-1