Geometry Words

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Across
  1. 4. add all sides
  2. 5. making a 3d shape flat
  3. 7. half of the diameter
  4. 8. 90 degree angle
  5. 10. area outside
Down
  1. 1. the length of the circle
  2. 2. the length of the closed curve of a circle
  3. 3. what something is measured in
  4. 6. 3.14
  5. 9. the space inside