Across
- 4. a closed, three-dimensional shape with flat sides
- 7. a point where two or more edges meet.
- 8. the flat side of a polyhedron
Down
- 1. a closed, two-dimensional shape with straight sides that do not cross each other
- 2. the number of square units that covers all the faces of the polyhedron, without any gaps or overlaps
- 3. a two-dimensional figure that can be folded to make a polyhedron
- 4. a type of polyhedron that has one base. All the other faces are triangles, and they all meet at a single vertex
- 5. the straight side of a polygon
- 6. a type of polyhedron that has two bases that are identical copies of each other
- 7. the number of cubic units that fill a three-dimensional region, without any gaps or overlaps