| Rating | Solver | Clue |
|---|---|---|
| TRIANGLES | Plane figures | |
| PRISM | A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms. | |
| INSCRIBABLE | Capable of being inscribed, -- used specif. (Math.) of solids or plane figures capable of being inscribed in other solids or figures. |