Across
- 3. the sum of the areas of all the faces of a three-dimensional figure
- 4. a three-dimensional figure whose base is a polygon and the lateral faces are triangles that share a common vertex
- 5. a three-dimensional figure who six faces are rectangles
Down
- 1. a three-dimensional figure made up of two triangular bases and three rectangular sides
- 2. two-dimensional representation of a three-dimensional figure that can be folded up into a three-dimensional figure