Across
- 6. The line where two faces of a 3D object join.
- 7. A 3D object with any polygon as its base; the other faces are triangles that meet at a single vertex (apex).
- 8. (2D), An object with only width and length.
- 9. A 3D object that has two identical, parallel faces and all its remaining faces are parallelograms.
Down
- 1. object (3D object), An object having length, width, and depth.
- 2. A two-dimensional representation that can be folded to create a three-dimensional object.
- 3. The flat or curved area of an object.
- 4. A point where two or more lines meet; a corner.
- 5. A flat surface of a 3-dimensional geometric object, with only straight edges.