Across
- 2. I can be right, acute, or obtuse
- 5. the area of the surface of a 3-D object
- 7. the distance around the outside of a shape
- 9. the flat surfaces of a solid object
- 12. the shape formed by slicing an object
Down
- 1. the amount of space a 3-D object takes up
- 3. 3-D figure with one base and triangular lateral faces
- 4. the point where two or more edges meet
- 6. 2-D composite figure folded to form a 3-D object
- 8. line segment where two faces meet
- 10. the perimeter of a circle
- 11. 3-D figure with two bases and rectangular lateral faces