Across
- 5. measurement of a surface the area of a triangle
- 6. a term used to describe what a 3D shape
- 7. polygon
- 10. is a shape that has four sides
- 11. space that a substance or 3D shape
Down
- 1. a four-side shape
- 2. them on the other so that they coincide
- 3. The front of a shape
- 4. has equal sides and angles.
- 8. outside of a three-dimensional shape.
- 9. shape that has two identical shapes