List one way a parallelogram and a rhombus are different
In a parallelogram all opposite sides of the given figure are parallel and equal to each other. A parallelogram could be a square and a rectangle and a rhombus also!. Diagonals should be equal or not, it doesn't matters. Whereas a rhombus has all sides equal and opposite sides are parallel to each other but diagonals are not equal.
A rhombus is a type of parallelogram.