1.? The whole graph is a parallelogram.
2.? 1, 2,3,4,5 are five parallelograms.
3.? 2, 3 and 4 are a parallelogram.
4.? 2 and 3 are parallelograms.
5.? 3 and 4 are parallelograms.
The meter 9 above is a parallelogram.