Geometry Reflection

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Across
  1. 3. Multiple shapes
  2. 5. Space inside a 3D shape
  3. 9. Space around a 2D shape
  4. 10. In a rectangle manner
  5. 11. Space around a 3D shape
Down
  1. 1. the measurement of the boundary of the circle.
  2. 2. In a triangle manner
  3. 4. the ratio of the circumference of a circle to its diameter.
  4. 6. Has a square base and four triangular sides meeting at a point.
  5. 7. Space inside a 2D shape
  6. 8. A solid shape that is bound on all its sides by plane faces.