Not only does a rhombus always have one pair on parallel opposite sides, but it always has two! A rhombus is usually defined as a simple polygon of four sides where all the sides are the same length." If this is true of a figure then both pairs of opposite sides have to be parallel. Here is a proof for those who are interested.
http://www.artofproblemsolving.com/Wiki/index.php/Rhombus#Proof_that_a_rhombus_is_a_parallelogram
If there is only one pair of parallel sides in the figure, then it is a trapezoid. A rhombus is a trapezoid too.
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No, a rhombus has two pairs of opposite, equal, parallel sides; whereas a trapezoid has only one pair of opposite, parallel sides of different lengths.
It is an impossible figure. It is either a rhombus and has two pair of opposite sides that are parallel, or it has only one pair and is not a rhombus.It is an impossible figure. It is either a rhombus and has two pair of opposite sides that are parallel, or it has only one pair and is not a rhombus.It is an impossible figure. It is either a rhombus and has two pair of opposite sides that are parallel, or it has only one pair and is not a rhombus.It is an impossible figure. It is either a rhombus and has two pair of opposite sides that are parallel, or it has only one pair and is not a rhombus.
The main difference between trapezoids and rhombuses is their shape. A trapezoid has one pair of opposite sides that are parallel, while a rhombus has all sides equal in length. Additionally, a trapezoid can have non-parallel sides of different lengths, while a rhombus always has opposite sides that are parallel to each other.
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