It looks like a square bent so it looks like a diamond on its side kinda thing Essa
Yes
No, but a parallelogram is a polygon.
2
paralellagram
Two (or none, if it is a rectangle).
It depends on what measure is missing.
Not normally unless it is in the shape of a rectangle.
Yes, all sides and angles are equal and parallel.
Paralellagram, Square or Rectangle
base times height is area
Paralellagram
They are all misspelled.