| Answer | Crossword Clue |
|---|---|
| TRAPEZIUM | Irregular quadrilateral |
| FOURSIDED | Quadrilateral. |
| TRAPEZOID | Certain quadrilateral |
| RHOMBUS | Equilateral quadrilateral |
| ANGLES | Quadrilateral quartet |
| RECT | Quadrilateral fig. |
| SQUARE | Equilateral quadrilateral |
| RHOMBOID | Certain quadrilateral |
| TRAPEZIUM | Certain quadrilateral |
| TRAPEZIUM | Quadrilateral plane figure |
| RHOMBUS | Equal-sided quadrilateral |
| POLYGON | Quadrilateral, for example |
| FOURSIDES | What a quadrilateral has |
