| Answer | Crossword Clue |
|---|---|
| trominoes | TROMINO, a flat, three-sided shape |
| trominos | TROMINO, a flat, three-sided shape |
| tromino | a flat, three-sided shape |
| polyomino | a flat, many-sided shape made of up of identical squares placed side by side |
| polyominos | POLYOMINO, a flat, many-sided shape made of up of identical squares placed side by side |
