Geometry

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Across
  1. 3. The length around a 2D shape
  2. 4. the inside of a 3D shape
  3. 5. The line that goes half way through the circle
  4. 7. The shape of a dice
  5. 9. A shape that has only 1 congruent side
  6. 12. A shape with 4 sides
  7. 13. The line across one end of a circle to the other
  8. 15. Can be exterior or interior
Down
  1. 1. The perimeter of a circle
  2. 2. The shape of the Earth
  3. 6. The shape of a soda can
  4. 8. A shape that has 2 parallel sides
  5. 10. A shape that is closed and has straight lines
  6. 11. The inside of a 2D shape
  7. 14. A line that has an ending point at the start and goes on for ever forward or backwards