| Parallelogram | … |
|---|---|
| This parallelogram is a rhomboid as it has unequal sides and no right angles. | … |
| Type | Quadrilateral, Trapezium |
| Edges and vertices | 4 |
| Symmetry group | C, [2], |
| Area | bh (base × height); ab sin θ (product of adjacent sides and sine of the vertex angle determined by them) |
| Properties | Convex polygon |
(echo:: @ ᯤ)