Across
- 4. a 3D shape that has four triangular faces
- 6. 8 vertices with edges that are all the same length.
- 7. perfectly rounded with no edges and vertices
Down
- 1. points where at least three edges meet
- 2. surfaces on the shape
- 3. with 0 vertices, 3 faces, and 2 edges
- 5. where faces meet
- 6. with 1 vertex, 2 faces, and 1 edge