| Answer | Crossword Clue |
|---|---|
| dihedrals | An angle formed by two plane faces |
| truncating | Replace (an edge or an angle) by a plane, typically so as to make equal angles with the adjacent faces |
| truncates | Replace (an edge or an angle) by a plane, typically so as to make equal angles with the adjacent faces |
| arris | the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle |
| piends | the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle |
| piend | the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle |
