MATH

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Across
  1. 2. a shape with at least 3 straight sides
  2. 6. total area of a unit cube
  3. 7. two points on a grid
  4. 8. inside a shape
  5. 11. two of the sides are equal
  6. 13. lines 2 lines going the same way
  7. 14. all sides are equal
Down
  1. 1. how much the inside takes up
  2. 3. 3D triangle
  3. 4. angle
  4. 5. the outside of a shape
  5. 6. triangle with different length
  6. 9. a solid shape consisting of 2 identical ends
  7. 10. a layout of a 3D shape
  8. 12. a 90 degrees angle