Probably not since, as spelled, neither object exists.
But a parallelogram is a polygon.
Zero.
Because opposite angles are 90 degrees.
A rhombus is a parallelogram because it has 2 sets of parallel sides.
A rhombus is not the same as a parallelogram - it is a special type of parallelogram. A paralllogram and a rhombus are quadrilaterals with two pairs of parallel sides. In addition, all four sides of a rhombus are the same length.