Across
- 3. to move
- 4. to take away
- 5. to form a 90 degree angle
- 6. a 2D representation when folded makes a 3D shape
- 8. to make an identical copy
- 10. the perpendicular segment to the base
- 11. to fill in or to add to
- 13. the length of any side of a shape
Down
- 1. a flat 2D surface
- 2. flat side of a shape
- 4. total area of all faces
- 7. a pattern using the same shapes to cover a region
- 9. to break apart
- 12. number of square units that cover a 2D region