shape and space

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Across
  1. 1. a 8 vertex shape
  2. 2. All angles are 90 degrees
  3. 4. the space in a shape
  4. 5. a different word for corners
  5. 6. an un made shape
  6. 7. a building you would find in Egypt
  7. 9. A twelve sided shape
  8. 11. a many sided shape
  9. 12. A 3D ball shape
Down
  1. 1. the middle of a shape
  2. 2. all sides un equal
  3. 3. the outside of a shape
  4. 8. you would put ice cream in it
  5. 10. All the sides are equal.